如 we all know， Engine is the heart of the car and it plays a great influence on a mechanical machine。发动机是一个能量转换机构，即将汽油或燃气的热量，通过气缸中的气体在密封中燃烧，以推动活塞支出然后将能量转化为机械能
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广东省肇庆市端州三路38号 (526060)
