交流基准电压量测装置  alternating-current reference-voltage measuring unit

交流电交流电  alternating current

钳形交流电压电流表  AC clip-on voltammeter

电流电压测量  current and voltage measurement

钢板地电流测量装置  steel plate ground current testing apparatus

流量测量装置  flow measuring equipment; flow measurement devices; flow measuring device

流量量测装置  flow measuring equipment

发电机交流电压测定  generator ac voltage metering

高压交流电流  high voltage ac current

交流电压电磁继电器  AC voltage electromagnetic relay

电压电流测定法  voltammetry

高压电流电压互感器  high voltage current transformer & potential transformer

滚流测量装置  Tumble measuring device

漏电电流装置  devices of leakage current

直流电流测量  DC current measurement; direct current measurement

直流电流测量仪  measuring instrument for direct current; DC current measuring instrument

直流电流测量异常  abnormal measurement value of DC current

直流电流-电压特性  DC current-voltage characteristics

专用基准电压电路  specific standard voltage circuit