名词
中文翻译：主马达
同义词：
['main motor', 'driving motor']
例句：
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1.The master motor is responsible for controlling the speed of the car.
主马达负责控制汽车的速度。
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2. The engineers were busy installing the main motor in the factory.
工程师们忙于在工厂安装主马达。
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3.The new model car has a powerful main motor that can reach top speeds of 200 km/h.
新款汽车配备了一个强大的主马达，最高速度可达200公里/小时。