問題詳情

34.What is the additive of lubricant oil to improve the cleanliness of surfaces?
(A)Oxidation inhibitor
(B)Corrosion inhibitor
(C)Detergent
(D)Alkaline agent

參考答案

答案：C
難度：適中0.644444
統計：A(10),B(15),C(58),D(7),E(0)