問題詳情

37.Which device is used in a diesel engine to inject a metered quantity of lubricating oil into the cylinder as thepiston ring pack passes the injection points?
(A)Lubricator
(B)Camshaft
(C)Crosshead
(D)Piston rod

參考答案

答案:A
難度:簡單0.75
統計:A(18),B(2),C(1),D(3),E(0)

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