問題詳情

19.The reciprocating motion of a connecting rod is transformed into a rotary motion by the .
(A) crankshaft
(B)crank cheeks
(C)crank webs
(D)crankpin

參考答案

答案：A
難度：簡單0.814815
統計：A(22),B(2),C(2),D(0),E(0)