考试
2022-12-21 23:00:13

从进气行程下止点到进气门关闭,发动机的曲轴转过的角度称为( 

题目描述

从进气行程下止点到进气门关闭,发动机的曲轴转过的角度称为(      )

A、进气提前角                                             

B、进气迟后角   

C、气门重叠角                                             

D、进气相位

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答案解析

A.  进气提前角                                                B.  进气迟后角       C.  气门重叠角                                                D.  进气相位无

A.  进气提前角                                                B.  进气迟后角       C.  气门重叠角                                                D.  进气相位

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