名词
中文翻译：交替开关
同义词：
['switch', 'alternator', 'commutator例句：1. The alternation switch is responsible for switching the motor on and off.（交替开关负责控制电机的开和关。）']
例句：
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1. The alternation switch is responsible for switching the motor on and off.
交替开关负责控制电机的开和关。
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2. The alternation switch is a critical component in the electrical system.
交替开关是电气系统中的关键组件。
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3. The alternation switch was designed to improve efficiency by reducing power losses.
交替开关的设计目的是为了减少功率损失，提高效率。