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稍微熟悉一点汽车构造的朋友都知道,汽车引擎盖底下除了发动机之外,还必须有发电机和起动马达。发电机在汽车引擎运转的时候向电瓶充
A little familiar with the car structure friends know, in addition to the engine under the engine hood, there must be a generator and starter motor. The generator charges the battery while the car engine is running