15. In general, the heavy fuel must be heated in order to decrease____________ .
(A) purification
(B) circulation
(C) deaeration
(D) viscosity

答案:登入後查看
統計: A(114), B(81), C(49), D(498), E(0) #1767665

詳解 (共 1 筆)

#5305928
15. 一般而言,為了降低____必須加...
(共 57 字,隱藏中)
前往觀看
12
0