問題詳情
17.Lubricant oil filters remove contaminants more efficiently if the oil-bearing filtered is .
(A)under high pressure
(B)under low pressure
(C)heated to reduce viscosity
(D)cooled to increase viscosity
參考答案
答案：C
難度：適中0.565217
統計：A(5),B(1),C(13),D(0),E(0)