标准电源指示灯
normal source pilot light
绿色电源指示灯
green electrical power lamp
green power indicator light
green source lamp
开关位置事故电源先导指示灯
switch position emergency source pilot light
同步指示灯电阻器
synchronizing light resistor
LED路灯电源
LED street light power supply
爆电电源
ferroelectric power supply
备用电源灯
emergency power source lamp
泵电源电路的运行
pump power circuit operation
避雷器放电指示器
arrester discharge indicator