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)

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