disconnected switch meaning in English

隔离开关
切断开关

Power fuses and fuse disconnecting switches , specifications for
电力熔断器和熔丝切断开关规范
Hook bars for disconnecting switch operation
隔离开关操作用钩杆
Power disconnect switch
电源拆接开关
Bus disconnecting switch
母线断路器
Distribution fuse disconnecting switches , fuse supports , and current - limiting fuses , specifications for
配电熔断式断路开关熔断支座和限流熔断器的规范

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