名词
中文翻译：推挽继电器
同义词：
['push-pull relay', 'push-pull switch', 'push-pull contactor']
例句：
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1. The pusher relay is essential for the operation of our circuit breakers.
推挽继电器是我们电路断路器操作所必需的。
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2.In this circuit, the pusher relay controls the flow of current through the motor.
在这个电路中，推挽继电器控制着电流通过电机的流动。
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3.The pusher relay is used to detect when a fault has occurred in the system and initiate an emergency stop sequence.
推挽继电器用于检测系统是否发生故障并启动紧急停机序列。