The end of the wire had become accidentally fused with the switch.
电线末端意外地与开关接合在一起。
The end of the wire had become accidentally fused with the switch, and was dangerous.
电线头偶然同开关熔在一起了，很危险。
The vibration exciter is connected with the control switch by the wire.
连 接电线连接激振器和控制开关；
The vibration exciter is connected with the control switch by the wire.
连 接电线连接激振器和控制开关；
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