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Elementary Mathematics Primary School Science Junior Middle School Mathematics Junior Middle School Physics Junior Middle School Chemistry Junior Middle School Biology Junior Middle School Geography High School Mathematics High School Physics High School Chemistry High School Biology High School Geography Primary Inquiry Experimental Box Middle school inquiry experiment box High school explore the experimental box Scientific Research Instruments
02013 dual-use gas cylinder 02014 Air pump 02015 The pump 02016 Suction discs 02020 instrument vehicles 02023 Magnetizer 02072 Alcohol burner 2135 Collision Tester 2136 impact pendulum 2137 electr High School Demonstration of Statics 2152 force synthesis of the decomposition of the demonstration 2206 Resonance tuning fork 2208 Direct-throw hair wave sink 2209 Pendulum group 2210 Simple pendulum movement of the presenter 2218 P-Wave Demonstrator 2220 Simple harmonic vibration projection presenter 2309 parallel plate capacitors 2314 Electric field line demonstrator 2363 Demonstration bridge 2415 Demonstration ramp car 2421 Three-phase Motor Principle Demonstrator 2423 removable transformer 2424 Lenz law of the demonstration 2425 principle of the transformer 2426 Small Transformers 2432 AC circuit characteristic demonstration instrument 2433 Lorentz Force Presenter 2438 Millikan oil drop instrument 2501 optical disc (magnetic) 2508 light interference diffraction polarization demonstrator 2552 spectral tube group 2553 Wilson cloud chamber 03002 seat bracket 03003 multifunctional experimental support 03004 lifting platform 04003 high school students power 11002 student balance 11021 metal hook code 11022 metal slot code 12003 electronic stopwatch 12005 spark timer (multi frequency) 12006 electromagnetic dotting timer 12007 digital timer 12008 strobe light 13007 digital thermometer 14010 disk dynamometer 14012 tension dynamometer 14013 two-way dynamometer 14015 students digital dynamometer 15020 teaching oscilloscope 15022 student oscilloscope 15023 oscilloscope 21024 friction demonstrator 21025 smile deformation demonstrator 21026 force synthetic decomposition demonstrator 21047 Galileo ideal bevel demonstrator 21050 demo track car 21055 air cushion track 21056 small gas 21057 free fall test instrument 21059 Newton second law demonstrator 21064 kinetic energy potential demonstrator 21066 flat throwing motion tester 21067 flat projectile and impact tester 21071 dimensional space time tracer 21072 centripetal force demonstrator (digital display) 21076 concave convex bridge demonstrator 21077 demonstration torque plate 22001 fork 22009 sound velocity measuring instrument 22013 rope wave demonstrator 22014 wave spring 22018 spring vibrator (air cushion) 22018 spring vibrator (level) 22020 spring vibrator vibration image plotter The 22021 harmonic vibration of projector 22026 forced vibration and resonance demonstrator 22203 air compression ignition apparatus 22215 oil film tester 22223 Boyles law demonstrator The 22224 guy lussac law demonstrator 22227 saturated water vapor expansion liquefaction demonstration device 23001 glass rod 23003 glue stick 23005 foil electroscope 23006 foil electroscope (student) 23008 induction motor 23009 pillow conductor 23012 sliding rheostat 23019 resistance law demonstrator 23020 resistance law experiment device 23035 Joule law demonstrator 23037 fuse demonstrator 23040 normal starting motor 23043 electric ball (electric ball) 23046 pointed cloth appliances 23048 electrostatic experiment box 23049 metal mesh cover 23051 charge simple force experiment device 23052 Kulun law demonstrator Simulation of charged particle motion in 23057 electric field 23058 commonly used capacitor teaching board 23059 commonly used resistor teaching board 24001 bar magnet 24002 shoe magnet 24003 magnetic induction line demonstrator 24004 stereo magnetic induction line demonstration device 24006 current magnetic field demonstrator 24007 small diamond needle 24008 needle shaped The former 24009 demo coil 24019 hand generator Cathode ray tube (24021) 24021 cathode ray tube 24022 low frequency signal generator Demonstration device for interaction between 24033 power parallel straight wire 24034 current balance 24035 ampere force demonstrator 24036 ampere force tester 24037 self induction demonstration device 24038 electromagnetic induction demonstrator 24039 Lenzs law demonstrator 24040 electromagnetic damping demonstrator 24042 single turn coil motor principle demonstrator 24045 hand-operated three-phase AC generator 24046 three wire resistance switch 24047 AC circuit characteristic demonstrator 24048 detachable transformer 24049 small transformer 24051 fluorescent lamp principle demonstrator 24055 circuit and sensor application experiment device 24056 black box of electrical components 24060 Hz experiment demonstrator 24062 electromagnetic wave sending and receiving demonstrator 24067 rectifier circuit tester 25005 light holder 25006 optical group 25007 three prism 25008 white light dispersion and synthesis demonstrator 25022 optical fiber demonstrator 25101 ultraviolet effect demonstrator 25109 photoelectric effect demonstrator 25113 Geiger counter 25116 Planck constant detector 31005 hydraulic model 31009 diesel engine model 31019 gas turbine model 31038 vehicle braking system model 80143 simple wireless microphone Kit 80146 transistor amplifier circuit equipment 80147 electriclamp switch equipment kit 80149 simple micro turbine generator equipment 80158 semiconductor refrigerator 80162 three track racing 80165 centrifugal hoop 80222 anti-theft alarm circuit equipment kit 80223 optical switch apparatus Kit 80225 fire alarm demonstrator High-voltage transmission model Resonance demonstrator Infrared effect demonstrator Crookes radiometer Prism spectroscope Battery Demonstration of adjustable impedance of battery The uniform circular motion. Supporting rod fixed pulley and table edge clamping group 30001 geometric model 30404 plane cycloid formation model 30405 involute formation model 02004 punch knife 02005 hand drill 02020 instrument car 02070 electric centrifuge 02071 centrifugal precipitator 02072 alcohol burner 02073 magnetic heating stirrer 02077 electric heater 02081 water distiller 02083 tube dryer 2614 bath 03002 seat bracket 3007 mud triangle 03008 test tube rack 03010 titration table 3011 titration clamp 04003 high school students power 12003 electronic stopwatch 13007 digital thermometer 26003 original battery tester 26005 gas storage device 26017 chemical experiment waste water treatment device 26020 fuel cell demonstrator 42001 metal mineral metal and alloy specimens 42003 synthetic polymer specimens 82008 eye washer 02061- Telescope 2 16007 compass 16002 rain gauge 16005 compass XD4Q1859 16021 evaporator The table 16024 16040 noise meter 28003 day lunar operation 28006 celestial instrument 28021 flow action demonstration device 28023 crustal movement demonstrator 28024 monsoon activity demonstrator 28025 current demonstrator 34001 plane area XD4Q1597 34002 plane terrain globe XD4Q1607 34009 latitude and longitude model The 34010 kind of XD4Q1605 34011 lunar probe 34020 fold structure and its evolution model 34021 fracture structure and horst graben development model 81151 geography field practice 02020 instrument car 02041 biological microscope 02070 electric centrifuge 02071 centrifugal precipitator 02073 magnetic heating stirrer 02075 alcohol burner 02081 water distiller 02082 thermostatic bath 02090 pipettes 02101 stethoscope 02126 Aquarium 03002 seat bracket 03008 test tube rack 10009 cloth tape 11004 tray balance 12003 electronic stopwatch 16016 vital capacity meter 16041 counter (hand-held) 27001 dissector 27002 dissector Demonstration device for photosynthesis respiration and transpiration of 27008 plants 27009 hand microtome 27010 incubator 27011 grinding filter 43050 toad embedded specimen 43051 mussel embedded specimens 43052 reptile embedded specimens 43053 frog development sequence 43116 fossil specimens 43118 arthropod specimens 43150 insect specimens 02004 punch knife 02005 hand drill 02020 instrument car 02070 electric centrifuge 02071 centrifugal precipitator 02073 magnetic heating stirrer 02075 alcohol burner 02077 electric heater 02081 water distiller 02083 tube dryer 2125 iodine sublimation tube 3007 mud triangle 03008 test tube rack 03010 titration table 3011 titration clamp 04001 junior high school students 04005 teaching power 11005 tray balance 13007 digital thermometer 26001 water electrolysis demonstrator 26003 original battery tester 26005 gas storage device 26008 junior high school chemistry experiment box 26009 molecular spacer 26010 solution conductive demonstrator 26015 chemical experiment device for magnetic teaching aids 26017 chemical experiment waste water treatment device 26018 element learning card 32004 diamond structure model 32005 graphite structure model 60 carbon model 32006 32007 sodium chloride crystal structure model 32010 CSCL crystal structure model 32016 carbon dioxide crystal structure model 42001 metal mineral metal and alloy specimens Primary biology Elementary physics 42003 synthetic polymer specimens 82008 eye washer Chemical experiment box for primary school Junior Chemistry Astronomy Junior Physics Junior Biology Junior Chemistry 1013 graphing calculator 20003 t-squares 20004 Protractor 20007 Polygon stitching 20010 Exploration of geometric line cross section 20011 Exploring the formation of rotational geometry 20013 Pin tester 20507 Plastic ball 20508 plastic beads 02002 Punch 02020 Instrument car 02041 Biological microscope 02051 02052 Magnifier 02072 Alcohol burner 02077 Electric heater 02101 Stethoscope 02126 Aquarium 02129 Sink (square) 03002 Square bracket 03006 Tripod 03008 Test tube rack 03013 Rotating frame 03021 Shutter bracket 04002 Pupil power 04005 Teaching power 04010 Battery box 11005 Tray balance 11029 Metal hook code 12003 Electronic stopwatch 13001 130020 Thermometer 13010 The thermometer 13020 Thermometer 13021 13022 Maximum thermometer 14001 Strip box dynamometer 10N 14002 14003 14004 Strip box dynamometer 16004 Hygrometer 16007 Compass 16016 Spirometry 16022 Rain gauge 16025 Cup anemometer 25012 Laser pen 28007 Three ball instrument (electric) 28007 Three ball instrument (manual) 29001 Inclined plane 29002 29003 Spring spring 29004 The ups and downs of the block 29005 Lever and bracket 29006 Pulley block and bracket (Irons) 29006 Pulley block and bracket 29007 Wheel shaft and bracket 29008 Gear sets and supports 29010 The car 29011 Solar altitude meter 29012 Wind forming experimental materials 29013 Assembled windmill material 29013 Assembled turbine material 29015 Solar energy application materials 29016 Tabour 29017 Assembled telephone material 29018 Heat transfer material 29019 The object of heat expansion and cold contraction experimental materials (Hua Mao) 29019 The object of heat expansion and cold contraction experimental materials 29020 Lamp bulb machine 29021 switch 29021 switch 29022 Experimental material of conductive material 29030 Ring magnet 29031 Electromagnet assembly material 29033 Hand generator 29035 Pinhole imaging device 29036 Plane mirror and bracket 29037 Curved mirror and bracket 29038 Lens, prism and bracket 29039 Imaging screen and support 29040 Insect observation box 29041Animal cage 29042 plastic injector 39001 Camera model 39051 Children skeleton model 39052 Children dentition model 39054 eye tectonic model 39151 Seismograph model 39152 Tectonic model 39154 Ian model 39156 Phase change demonstration device 43001 Fish specimen 43016 Rabbit bone specimen 43053 Frog development sequence 43116 Fossil specimen 43118 Arthropod specimen 43150 Insect specimen 43151 The life history of silkworm specimens 43152 Rabbit shape specimen 43153 Plant seed dispersal specimen 49001 Natural material sample 49002 Artificial material sample 49005 Mineral specimens 49006 Rock specimen 49009 Mineral extracts Metal toolbox Woodworking tool box 01012 Calculator 11006 Tray balance 11007 Simple balance 11019 Spring scale 11023 Spring balance 20001 Triangular plate 20002 Compasses 20004 Protractor 20501 Special ruler 20506 Measuring rope 20509 Counting piece 20510 Vertical counter 20511 Vertical counter 20512 Vertical counter 20513 Demonstration abacus 20514 Counting rod 20515 Counting stick 20516 Nail plate 20517 Nail plate 20518 Nail plate 20520 The plastic insertion piece 20521 Plastic connecting chain 20522 Digital dice 20523 Blank dice 20524 Digital dial 20525 Color wheel 20526 Blank turntable 20527 Geometric image 20528 Set circle 20529 Count multilayer 20530 Neves 20531 Angle operation material 20532 Graphic transformation operation material 20533 Area meter 20534 Exploration of geometric area calculation formula material 20535 Exploration of geometric volume calculation formula material 20536 The teacher is 1 20537 Fractional film 20538 Count color 20539 Plastic cups 20540 Plastic cups 20541 Plastic cups 20542 Low grade primary school mathematics magnetic teaching aids 20543 Primary school grade magnetic mathematics teaching aid 20544 High grade primary school mathematics magnetic teaching aids 30001 Geometric model (Demo) 30501 Clock model 30502 Clock model 30503 Clock model 30504 30505 Clock model 30506 Geometric model 30508 Geometric surface area expansion model 30509 The calculation formula of circular area, PI X595 RMB currency model X2108 Gravity trolley X2109 Speed car X2195 Floating ball X2196 Household meter reading X3087 Demo Tangram Transverse wave demonstrator Center of gravity and stability tester The tuning fork vibration demonstration instrument A second hi change worry Thermoelectric generation demonstration instrument To explore the Pythagorean law Secrets of sound Human conduction Thousand earthquake Jet sucker I face you Memory alloy generator Rectilinear propagation Multiple mirror Kinetic energy generating flashlight Electrician toolbox Pendulum gear operator model 01High school electrostatic field experiment box 02High school constant current experiment box 03High school magnetic field experiment box 04High school electromagnetic induction experiment box 05High school electrical sensor experiment box 06Senior state and state changes of the experimental box 07Laboratory of high temperature gas and thermodynamics law 08High school molecular dynamics experiment box 09High school optical experiment box 10High school sports and force experiment box 11High school interaction experiment box 12High school curve motion experiment box 01Junior high school sports and force experiment box 02Middle school material density experiment box 03Simple mechanical experiment box 04Pressure and buoyancy experiment box for middle school 05Junior high school aerodynamics experiment box 06Acoustic experiment box for junior high school 07Optical experiment box 08Thermal experiment box 09Electricity experiment box for middle school 10Magnetic experiment box 11Electric and magnetic Laboratory 12Safety electricity experiment box for middle school 13Junior high energy experiment box 14Junior hydrogen car experiment box 01Primary acoustic laboratory 02Primary optical experiment box 03Primary electricity experiment box 04Primary magnetic experiment box 05Primary electric and magnetic experiment box 06Primary water experiment box 07Primary air Laboratory 08Primary force and machinery (I) experiment box 09Primary force and machinery (two) experimental box 10Primary experiment box 11Recycled paper laboratory 12Clean Energy Laboratory 13Primary biological experiment box 14Primary Biology - field experiment box 15Primary sample experiment box 16Primary human body structure experiment box 17Primary astronomy experiment box 18Primary weather experiment box 19Multifunctional machine tool experiment box for primary school 20Primary school building and structure experiment box 21Primary water supply experiment box 02061 Astronomical telescope 3 16007 Compass 16022 Rain gauge 44001 Rock and mineral specimens (42) 03022 Shutter XD4Q1719 16023 Tipping bucket rain gauge 28007 Three ball instrument (electric) 28007 Three ball instrument (manual) 34005 Plane dual-purpose globe 34022 Tectonic model of the earth interior 02020 Instrument car 02041 Biological microscope 02073 Magnetic heating stirrer 02083Electric centrifuge (digital display) 03002 Square bracket 03008 Test tube rack 16041 Counter (hand-held) 27011 Grinding filter 02084 Drying box 02087 Constant temperature incubator 02088 Light incubator 02089 Super clean bench 27026 Micro pipette 21003 Motion and force tester 21001 Cylinder group 16004 Hygrometer 15020 Teaching oscilloscope 14020 Dynamograph 14012 Tension dynamometer 14011 Demonstration of dynamometer 14010 Disk dynamometer 14008 Flat dynamometer 12011 Hourglass 12010 Metronome 12003 Electronic stopwatch 11021 Metal hook code 11011 Physical balance 11005 Tray balance 04011 Induction coil 04010 Battery box 04001 Junior high school students power 04004 Teaching power 03013 Rotating frame 3007 Mud triangle 11002 Student balance 03004 Lifting platform 03003 Multifunctional experiment stand 03002 Square bracket 02129 Sink (round) 2125 Iodine sublimation tube 02072 Alcohol burner 13004 Demonstration thermometer 13010 The thermometer 02023 Magnetizing apparatus 02020 Instrument car 02016 Exhaust plate 02015 Tyre pump 02014 air pump 14013 Bidirectional dynamometer 02013 Dual-purpose inflator 2012 Rotary vane vacuum pump 02011 Hand pump 16009 Empty box barometer 1212 Multifunctional charger 21002 Cube group 0301 Thermal thermometer 21004 Inertia demonstrator 21007 Archimedes principle experiment apparatus 21009 Experimental device for measuring liquid pressure and depth 21011 Pascal ball 21013 The object and condition demonstrator 21014 Submarine floating demonstrator 21015 Liquid internal pressure tester 21016 Micro manometer 21018 Gas buoyancy demonstrator 21019 Heidelberg hemisphere 21020 Atmospheric pressure series 21021 Pressure and pressure demonstrator 21022 Demonstrator for relation between fluid velocity and pressure 21031 Demonstration pulley block 21032 Pulley group (card) 21033 Rolling pendulum 21034 Centrifugal orbit 21035 Mechanical experiment box 21036 Mechanical demonstration board 21037 Demonstrator for lift principle of airplane 21038 Hand centrifugal turntable 22001 Pendulum 22001 tuning fork 22007 Sound transmission demonstrator 22008 Ultrasonic application demonstrator 22009 Sound velocity measuring instrument 22201 Calorimeter 22202 Cohesion demonstrator 22203 Air compression ignition apparatus 22204 Deflagrator 22205 Mechanical energy conversion demonstrator 22206 Metal expansion demonstrator 22207 Solid shrinkage force demonstrator 22208 Heat transfer director 22210 The gas can reduce the work of demonstrator 22212Acoustic thermal test box 23001 Glass rod 23003 glue stick 23005 Foil electroscope 23006 Foil electroscope (students) 23030 Junior demonstration circuit board 23007 Pointer electroscope 23008 Induction motor 23009 Pillow conductor 23012 Sliding rheostat 23018 Resistance coil 23019 Resistance law demonstrator 23020 Electric resistance test apparatus 23022 Teaching resistance box 23023 Simple resistance box 23030 Demonstration circuit board (Junior) 23035 Joules law demonstrator 23037 Fuse demonstrator 23038 Toy motor 24001 Bar magnet 24002 Horseshoe magnet 24003 Magnetic induction demonstration device 24004 Stereo magnetic induction line demonstration device 24006 Current magnetic field demonstrator 24007 A small diamond needle 24008 Shaped needle 24009 The former demonstration coil 24011 Horseshoe magnet 24012 Electromagnet experiment device 24013 Electric bell 24014 Demonstration electromagnetic relay 24015 electromagnetic relay 24016 Magnetic field effect current experiment device 24018 Miniature motor tester 24019 Hand generator 24020 Motor principle demonstrator 24021 CRT (cathode ray tube) 24022 Low frequency signal generator (digital) 24023 Electrical experiment box 24024 Energy conversion demonstrator 24025 Energy conversion device 24026 Magnetic suspension demonstrator 25005 Light holder 25007 Prism 25008 Dispersion and synthesis demonstrator for white light 25009Plane mirror imaging experiment device 25011 Optical transmission, reflection and refraction experiment device 25012 Laser pen 25013 Synthetic experiment device of light colors 25101 Ultraviolet effect demonstrator 31001 Wheel model 31002 Bearing model 31003 Pump model 31004 Centrifugal pump model 31005 Hydraulic model 31006 Turbine model 31009 Diesel engine model 31011 Motor model 31012 Telephone principle model 80158 Semiconductor cooler 81023 Height vernier caliper Infrared effect demonstrator Convex lens concave lens three prism
Elementary Mathematics-__-Ningbo Kaidi Science Instrument Co., Ltd Primary School Science-__-Ningbo Kaidi Science Instrument Co., Ltd Junior Middle School Mathematics-__-Ningbo Kaidi Science Instrument Co., Ltd Junior Middle School Physics-__-Ningbo Kaidi Science Instrument Co., Ltd Junior Middle School Chemistry-__-Ningbo Kaidi Science Instrument Co., Ltd Junior Middle School Biology-__-Ningbo Kaidi Science Instrument Co., Ltd Junior Middle School Geography-__-Ningbo Kaidi Science Instrument Co., Ltd High School Mathematics-__-Ningbo Kaidi Science Instrument Co., Ltd High School Physics-__-Ningbo Kaidi Science Instrument Co., Ltd High School Chemistry-__-Ningbo Kaidi Science Instrument Co., Ltd High School Biology-__-Ningbo Kaidi Science Instrument Co., Ltd High School Geography-__-Ningbo Kaidi Science Instrument Co., Ltd Primary Inquiry Experimental Box-__-Ningbo Kaidi Science Instrument Co., Ltd Middle school inquiry experiment box-__-Ningbo Kaidi Science Instrument Co., Ltd High school explore the experimental box-__-Ningbo Kaidi Science Instrument Co., Ltd Scientific Research Instruments-__-Ningbo Kaidi Science Instrument Co., Ltd

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24033 通电平行直导线相互作用演示器 20534 探索几何图形面积计算公式材料 20535 探索几何形体体积计算公式材料 29019 物体热涨冷缩实验材料(华茂) 27008 植物光合呼吸蒸腾作用演示器 20010 探索几何线形态截面操作材料 25011 光的传播、反射、折射实验器 34021 断裂构造及地垒地堑发育模型 24055 门电路和传感器应用实验器 24062 电磁波的发送和接收演示器 34020 褶皱构造及其地貌演变模型 21022 流体流速与压强关系演示器 21009 液体压强与深度关系实验器 07高中气体和热力学定律实验箱 22227 饱和水汽膨胀液化演示器 23057 电场中带电粒子运动模拟 24021 阴极射线管(磁效应管) 24042 单匝线圈电机原理演示器 24022 低频信号发生器(数字) 25008 白光的色散与合成演示器 80149 简易微型汽轮发电机器材 42001 金属矿物金属及合金标本 22210 气体做功内能减少演示器 20542 小学低年级数学磁性教具 20543 小学中年级数学磁性教具 20544 小学高年级数学磁性教具 30508 几何形体表面积展开模型 30509 圆面积、圆周率计算公式 23030 演示线路实验板(初中) 22020 弹簧振子振动图像描绘器 08小学力与机械(一)实验箱 09小学力与机械(二)实验箱 06高中物态和物态变化实验箱 2508 光的干涉衍射偏振演示器 80223 光控开关实验器材套件 32016 二氧化碳晶体结构模型 22026 受迫振动和共振演示器 26015 化学实验装置磁性教具 25013 光的三原色合成实验器 24016 磁场对电流作用实验器 30001 几何形体模型(演示) 26017 化学实验废水处理装置 22205 机械能热能互变演示器 29006 滑轮组及支架(铁杆) 12005 电火花计时器(多频) 29019 物体热涨冷缩实验材料 43153 植物种子传播方式标本 80143 简易无线话筒器材套件 80147 光控路灯开关器材套件 21072 向心力演示器(数显) 80222 防盗报警电路器材套件 22224 盖·吕萨克定律演示器 44001 岩石矿物标本(42种) 21047伽利略理想斜面演示器 21071 二维空间--时间描迹仪 21059 牛顿第二定律演示仪 21015 液体内部压强实验器 42003 合成高分子材料标本 21037 飞机升力原理演示器 22021 简谐振动投影演示器 32010 氯化铯晶体结构模型 26008 初中微型化学实验箱 23006 箔片验电器(学生) 23051 电荷简作用力实验器 23030 初中演示线路实验板 26020 氢氧燃料电池演示器 02083 电动离心机(数显) 24045 手摇三相交流发电机 24047 交流电路特性演示器 29022 物体导电性实验材料 21007 阿基米德原理实验器 32007 氯化钠晶体结构模型 21026 力的合成分解演示器 80146 三极管放大电路器材 21013 物体沉浮条件演示器 2143 高中静力学演示教具 2152 力的合成分解演示器 2210 单摆运动规律演示器 2220 简谐振动投影演示器 X595 认识人民币纸币模型 19小学多功能机床实验箱 20小学建筑与结构实验箱 02初中物质的密度实验箱 04初中压强与浮力实验箱 05初中空气动力学实验箱 05高中电学传感器实验箱 2421 三相电机原理演示器 2432 交流电路特性演示仪 08高中分子动理论实验箱 21014 潜水艇浮沉演示器 23037 保险丝作用演示器 23043 移电球(验电球) 25101 紫外线作用演示器 28021 流水作用演示装置 23058 常用电容器示教板 23059 常用电阻器示教板 24004 立体磁感线演示器 34022 地球内部构造模型 29012 风的形成实验材料 29015 太阳能的应用材料 81151 地理野外实习用具 24018 小型电动机实验器 24051 日光灯原理演示器 29038 透镜、棱镜及支架 21067 平抛和碰撞试验器 24019 手摇交直流发电机 25116 普朗克常数测定器 14小学生物-野外实验箱 31038 汽车刹车系统模型 21020 大气压系列实验器 22018 弹簧振子(气垫) 22018 弹簧振子(水平) 21021 压力和压强演示器 16041 计数器(手持式) 25009 平面镜成像实验器 支杆定滑轮和桌边夹组 22223 玻意耳定律演示器 01初中运动与力实验箱 2425 变压器原理说明器 03初中简单机械实验箱 12小学清洁能源实验箱 20532图形变换操作材料 12初中安全用电实验箱 14初中氢能小车实验箱 02高中恒定电流实验箱 04高中电磁感应实验箱 16小学人体结构实验箱 凸透镜 凹透镜 三棱镜 2501 光具盘(磁吸式) 21小学水的供应实验箱 10高中运动与力实验箱 11高中相互作用实验箱 12高中曲线运动实验箱 21057 自由落体实验仪 80225 火灾报警演示器 匀速圆周运动投影器 22203 空气压缩引火仪 21064 动能势能演示器 21066 平抛运动实验器 21003 运动和力实验器 22206 金属膨胀演示器 22207 固体缩力演示器 02073 磁力加热搅拌器 28023 地壳变动演示器 28024 季风活动演示仪 26009 分子间隔实验器 23019 电阻定律演示器 14001 条形盒测力计10N 28007 三球仪(电动) 23020 电阻定律实验器 29011 太阳高度测量器 43052 爬行类包埋标本 43053 蛙发育顺序标本 29017 组装土电话材料 29018 热传导实验材料 23035 焦耳定律演示器 32004 金刚石结构模型 23052 库伦定律演示器 29031 电磁铁组装材料 30404 平摆线形成模型 39156 月相变化演示器 43001 鱼解剖浸制标本 43151 桑蚕生活史标本 30405 渐开线形成模型 49009 矿物提炼物标本 21018 气体浮力演示器 24022 低频信号发生器 24006 电流磁场演示器 24037 自感现象演示器 24038 电磁感应演示器 24039 楞次定律演示器 24040 电磁阻尼演示器 24014 演示电磁继电器 03003 多功能实验支架 28007 三球仪(手动) 34005 平面两用地球仪 24020 电机原理说明器 24060 赫兹实验演示器 21032 滑轮组(可卡) 24067 整流电路实验器 25022 光导纤维演示器 25109 光电效应演示器 26010 溶液导电演示器 24024 能的转化演示器 12006 电磁打点计时器 14015 学生数字测力计 21025 微笑形变演示器 24025 能的转化实验器 22008 超声应用演示器 摆钟齿轮操作器模型 2433 洛伦兹力演示器 11初中电与磁实验箱 05小学电与磁实验箱 13初中新能源实验箱 2208 直投式发波水槽 01高中静电场实验箱 2424 楞次定律演示器 11小学再生纸实验箱 30504 30505 钟表模型 29002 29003 压簧 拉簧 16023 雨量计 翻斗式 20007 多边形拼接条 29013 组装风车材料 29013 组装水轮材料 24056 电学元件黑箱 04003 高中学生电源 26003 原电池实验器 22208 热传导演示器 30001 几何形体模型 21076 凹凸桥演示器 02129 水槽(圆形) 29035 小孔成像装置 29036 平面镜及支架 29037 曲面镜及支架 31019 燃气轮机模型 29039 成像屏及支架 39051 儿童骨骼模型 39052 儿童牙列模型 39152 地球构造模型 23001 玻棒 23003胶棒 教学仪器生产厂家 32005 石墨结构模型 24026 磁悬浮演示器 49001 天然材料标本 49002 人造材料标本 02083 列管式烘干器 43050 蟾蜍包埋标本 43051 河蚌包埋标本 21038 手摇离心转台 演示可调内阻电池 22007 声传播演示器 31012 电话原理模型 20529 计数多层积木 80158 半导体致冷器 81023 高度游标卡尺 红外线作用演示器 28003 日地月运行仪 24003 磁感线演示器 24035 安培力演示器 24036 安培力实验器 04001 初中学生电源 30506 几何形体模型 21024 摩擦力演示器 22202 内聚力演示器 24009 演示原副线圈 X2196 家用水表读数 X3087 演示用七巧板 02129 水槽(方形) 24012 电磁铁实验器 16025 风杯式风速表 21050 演示轨道小车 24046 三线电阻开关 29005 杠杆尺及支架 26001 水电解演示器 29006 滑轮组及支架 29008 齿轮组及支架 43118 节肢动物标本 重心与稳度实验器 01小学声学实验箱 02小学光学实验箱 03小学电学实验箱 04小学磁学实验箱 06初中声学实验箱 07初中光学实验箱 08初中热学实验箱 09初中电学实验箱 10初中磁学实验箱 03022 百叶箱XD4Q1719 10小学热学实验箱 07小学空气实验箱 2125 碘升华凝华管 1212 多功能充电器 2218 纵横波演示器 03高中磁场实验箱 2438 密立根油滴仪 13小学生物实验箱 2012 旋片式真空泵 15小学标本实验箱 2309 平行板电容器 09高中光学实验箱 17小学天文实验箱 18小学气象实验箱 2553 威尔逊云雾室 2314 电场线演示器 2415 演示斜面小车 34010 天球仪XD4Q1605 20536 口算练习器1 02061-天文望远镜2 02061 天文望远镜3 23008 感应起电机 23046 尖形布电器 23048 静电实验箱 23012 滑动变阻器 15020 教学示波器 29007 轮轴及支架 16009 空盒气压计 23022 教学电阻箱 23023 简式电阻箱 24021 阴极射线管 27011 研磨过滤器 21004 惯性演示器 26018 元素学习卡 高中探究实验箱 23038 玩具电动机 34009 经纬度模型 29020 灯座机灯泡 13007 数字测温计 02004 打孔器刮刀 29033 手摇发电机 24007 菱形小磁针 21016 微小压强计 24011 蹄形电磁铁 02005 手摇钻孔器 24048 可拆变压器 29040 昆虫观察盒 29041 动物饲养笼 29042 塑料注射器 39001 照相机模型 24049 小型变压器 21019 马德堡半球 39054 眼构造模型 39151 地动仪模型 24015 电磁继电器 02070 电动离心机 20013 投针实验器 43016 兔骨骼标本 02071 离心沉淀器 43152 兔外形标本 21031 演示滑轮组 02011 手摇抽气机 21035 力学实验盒 25113 盖革计数器 24023 电学实验盒 28025 洋流演示仪 21036 力学演示板 27026 微量移液器 中小学实验仪器 12007 数字计时器 02041 生物显微镜 15022 学生示波器 80165 离心力铁环 02082 恒温水浴锅 22009 声速测量仪 13004 演示温度计 16040 噪声测定仪 克罗克斯辐射计 小学探究实验箱 02087 恒温培养箱 02089 超净工作台 31003 抽水机模型 02088 光照培养箱 11019 弹簧度盘秤 20510 竖式计数器 20511 竖式计数器 20512 竖式计数器 20520 塑料插接块 20521 塑料连接链 20527 几何形图片 31004 离心泵模型 20531 角操作材料 31005 液压机模型 31006 水轮机模型 31009 柴油机模型 中学探究实验箱 27009 徒手切片器 14008 平板测力计 21077 演示力矩盘 22013 绳波演示器 14010 圆盘测力计 14011 演示测力计 28006 天体运行仪 22212 声热实验盒 14012 拉压测力计 22215 油膜试验器 23005 箔片验电器 02051 02052 放大镜 14013 双向测力计 03021 百叶箱支架 04002 小学生电源 13001 130020温度计 动能发电手电筒 记忆合金发电机 温差发电演示仪 23007 指针验电器 小学化学实验箱 音叉振动演示仪 23040 范式起电机 1013 图形计算器 2423 可拆变压器 16005 罗盘XD4Q1859 2135 碰撞实验器 2426 小型变压器 20533面积测量器 06小学水实验箱 0301 热敏温度计 30502 钟表模型 30503 钟表模型 11005 托盘天平 49005 矿物标本 49006 岩石标本 23009 枕形导体 20508 塑料小球 02081 蒸馏水器 11022 金属槽码 X2108 重力小车 X2109 快慢小车 21034 离心轨道 科学探究仪器 23049 金属网罩 80162 三轨竞速 02075 酒精喷灯 12008 频闪光源 11029 金属钩码 03002 方座支架 02013 两用气筒 21001 圆柱体组 高压输电模型 21002 立方体组 11004 托盘天平 31001 轮轴模型 24034 电流天平 24001 条形磁铁 21055 气垫导轨 11006 托盘天平 11007 简易天平 21056 小型气源 20501 专用直尺 31002 轴承模型 24002 蹄形磁铁 02072 酒精喷灯 20513 演示算盘 43116 化石标本 12003 电子停表 20522 数字骰子 29030 环形磁铁 20523 空白骰子 20524 数字转盘 20525 色块转盘 20526 空白转盘 21011 帕斯卡球 31011 电机模型 24008 异形磁针 04004 教学电源 11002 学生天平 22014 波动弹簧 11011 物理天平 11021 金属钩码 20538 计数彩条 20539 塑料量杯 20540 塑料量杯 20541 塑料量杯 39154 司南模型 探究勾股定律 43150 昆虫标本 16016 肺活量计 26005 储气装置 02077 电加热器 30501 钟表模型 纵横波演示器 04005教学电源 32006 碳60模型 2206 共振音叉 2552 光谱管组 2363 演示电桥 20507 塑料球 03006 三脚架 02126 水族箱 11023 弹簧秤 20001 三角板 82008 洗眼器 13020 寒暑表 20509 计数片 10009 布卷尺 02020 仪器车 03008 试管架 29004 沉浮块 03010 滴定台 20514 计数棒 20515 计数棍 02014 抽气筒 14020 握力计 02015 打气筒 22201 量热器 16004 湿度计 02016 抽气盘 22204 爆燃器 25006 光具组 20528 集合圈 02023 充磁器 20530 七巧板 16021 蒸发器 16024 轻风表 16007 指南针 27001 解剖器 16002 雨量器 27002 解剖器 20537 分数片 03004 升降台 03013 旋转架 20003 丁字尺 04010 电池盒 04011 感应圈 20004 量角器 02090 移液器 16022 雨量器 02101 听诊器 15023 示波器 共振演示器 23018 电阻圈 棱镜分光镜 25005 光具座 02084 烘干箱 25007 三棱镜 电工工具箱 12010 节拍器 光直线传播 27010 孵化器 木工工具箱 声音的奥秘 X2195 浮沉球 13010 体温计 01012 计算器 02002 打孔器 一秒喜变忧 25012 激光笔 34011 月球仪 金工工具箱 2614 水浴锅 3007 泥三角 2136 冲击摆 2209 单摆组 2137 验电羽 3011 滴定夹 20506 测绳 29010 小车 21033 滚摆 初中地理 初中生物 初中化学 初中数学 29016 小鼓 初中物理 22001 单摆 20516 钉板 20517 钉板 20518 钉板 29021 开关 22001 音叉 高中地理 高中化学 高中生物 你我换脸 喷气吸盘 人体导电 高中数学 12011 沙漏 29001 斜面 高中物理 24013 电铃 小学生物 小学物理 小学科学 小学数学 20002 圆规 普教仪器 多像镜 蓄电池 千人震 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