• Making transmission projection experimental realia of Ohmmeter is convenient for teaching Ohm-meter measurement principle with the aid of projector.

    制作欧姆透射投影教具,可便于结合投影仪进行欧姆表测量原理教学

    youdao

  • Making transmission projection experimental realia of Ohmmeter is convenient for teaching Ohm-meter measurement principle with the aid of projector.

    制作欧姆透射投影教具,可便于结合投影仪进行欧姆表测量原理教学

    youdao

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