A-A+

In diesel engines designed with a crosshead the motion of the piston rod can be described..

2020-09-18 20:29:36 资格考试 阅读

问题详情

A.reciprocating at the piston pin, rotary at the crank pin

B.reciprocating at the crank pin, rotary at the piston pin

C.straight reciprocation

D.straight rotation

请帮忙给出正确答案和分析,谢谢!

参考答案

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