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[正版]走进实验室教师版磁贴式电学演示箱初中物理实验箱教学演示仪器材编号23031荣耀款JD-1

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流体流速与压强大号中学物理实验室演示器材教学仪器实验器材教具

流体流速压强

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向心力演示器物理仪器高中物理力学实验器材演示教具实验室教学用品

力学实验器

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自感互感现象演示器/演示用/物理教学仪器/实验器材教具实验器材

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自营鸿合实物展台便携式壁挂展台高拍仪HZ-G7C教室课堂演示1300万像素备课仪证件拍摄仪器课本文件展示HZ-G7C

1300万像素 USB接口 高拍仪

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钰婕 2517 光电效应演示器光电效果演示实验现象初高中物理光量子学教学仪器

光电管

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电容器充电放电实验器大号演示器学生用教具示教板演示板实验板高中物理电学实验器材教学仪器

电容器演示板

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电阻定律实验器电学实验器材物理仪器锰铜/镍铬丝学生用演示用电阻定律演示器

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条形盒演示测力计14001弹簧秤1/2.5/5/10N 物理力学实验教学仪器

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气压微观演示器演示大气压强与空气密度有关初高中物理实验学生用教学仪器

大气压强空气

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