名词
中文翻译：Unknown
同义词：
['motor', 'alternator', 'generator']
例句：
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1.The car's engine is a powerful change-pole motor.
这辆车的引擎是一个强大的电动机。
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2. The alternator is responsible for charging the battery during the night.
交流发电机负责在夜间为电池充电。
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3.The generator is used to produce electricity from mechanical energy.
发电机用于从机械能中产生电力。