名词
中文翻译：Unknown
同义词：
['power switch', 'power controller', 'power regulator', 'power distributor', 'power conditioner', 'power distribution device']
例句：
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1. The power relay controls the flow of electricity through the circuit.
这个电力继电器控制着电流通过电路的流动。
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2.The power relay is responsible for switching the power on and off.
这个电力继电器负责开关电源的开启和关闭。
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3. The power relay is essential in maintaining safe electrical systems.
这个电力继电器在维护安全电气系统方面至关重要。