20. Which system is used to heat spaces and residual fuel to propel machines and ship itself?
(A) Oil system
(B) Steam system
(C) Water system
(D) Air system

答案：登入後查看
統計： A(248), B(730), C(51), D(48), E(0) #2887322

私人筆記 (共 1 筆)

私人筆記#7356972
未解鎖
Which system is use...
(共 228 字，隱藏中）
前往觀看
9
0