... electrical interlocking || 电气联锁 electrical interrupter || 电力断续器 electrical isolation || 电绝缘，电隔离 ...
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There is an electrical preventive maintenance task assigned to the Ground Fault Circuit Interrupter, that requires periodic testing of the unit.
应指定接地故障断路器的电气预防维护任务，此项任务要求对装置进行定期测试。
Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vacuum circuit breaker.
电触点及其制造方法，用于真空断续器的电极，以及真空断路器。
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