标准电源电压不足时的印刷电路板
normal source undervoltage pc card
标准电源电压监控板
normal source voltage monitoring card
电压电流标准源
Voltage and current standard source
直流标准电阻
direct current standard resistor
数控直流电流源
Digital controlled DC current source
直流电流-电压特性
DC current-voltage characteristics
直流电源电路
Direct current of stable voltage circuit
标准电流互感器
standard current transformer
标准电源指示灯
normal source pilot light
标准电源自动跳闸报警灯
normal source trip alarm lamp