名词
中文翻译：四线制开关
同义词：
['four-wire switch', 'four-wire relay例句：1. The new system uses a four-wire switching device to control the power distribution.（新系统使用四线制开关设备来控制电力分配。）']
例句：
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1. The new system uses a four-wire switching device to control the power distribution.
新系统使用四线制开关设备来控制电力分配。
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2. The four-wire switching device is designed for high-voltage applications.
四线制开关设备是为高压应用设计的。
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3. In this scenario, the four-wire switching device was used to switch off the mains power.
在这个场景中，四线制开关设备被用来关闭主电源。