真空开关是电力系统中的关键设备，用于接通、分断电力系统同时对各种故障进行保护监控。

Vacuum switch is the key equipment in power system and is used to turn-on and disconnection power system. At the same time it should protect and monitor many kinds of faults.

youdao

真空开关是电力系统中的关键设备，用于接通、分断电力系统同时对各种故障进行保护监控。

Vacuum switch is the key equipment in power system and is used to turn-on and disconnection power system. At the same time it should protect and monitor many kinds of faults.

youdao