应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。

We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.

youdao

应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。

We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.

youdao