問題詳情

33.Injection lag can be caused by .
(A)improper timing of the intake valves
(B)setting of the pump plunger
(C)compressibility of the fuel
(D)position of the needle valve

參考答案

答案：B
難度：適中0.625
統計：A(2),B(10),C(2),D(2),E(0)