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问题详情

按1-2-4-3顺序工作的发动机,当一缸处于做功行程时,四缸处于( )。

A、进气行程

B、压缩行程

C、做功行程

D、排气行程

时间：2021-07-17 23:47 关键词：汽车服务工程专升本汽车构造 2019级毕业清考（考试分）

答案解析

A

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