用开关接通或切断电源等转换的电路用转换器把转接与 on 或 off 连用开头电闸转换器接线器开关的开合
A circuit that uses a switch to connect or cut off power and other conversions uses a converter to connect the switch to on or OFF, a switch, a converter, a connector, and the opening and closing of a switch
以上为机器翻译结果，长、整句建议使用 人工翻译 。