問題詳情

34.The fuel service tank should be drained to release before the fuel oil is used.
(A)sode solution
(B)mechanical impurities
(C)ballast
(D) water and residuals

參考答案

答案:D
難度:適中0.652174
統計:A(0),B(5),C(2),D(15),E(0)

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