四冲程发动机 -题库考试答案搜索网

四冲程发动机

名词解释题

2021-12-30 00:27

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正确答案

曲轴必须转两圈，活塞上下往复运动四次，才能完成一个工作循环的发动机，称为四冲程发动机.

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标签：汽车构造机动车维修技术汽车概论发动机构造机械工程

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