It is suitable to be used as precise measuring standard and precise capacitance standard for factories, colleges, and research institutes.
适用于工厂、学校和科研单位作精密测量及电容标准。
It is suitable to be used as precise measuring standard and precise capacitance standard for factories, colleges, and research institutes.
适用于工厂、学校和科研单位作精密测量及电容标准。
应用推荐