阿摩線上測驗
29. ______ are used widely in marine applications in combustion equipment such as main
engines, auxiliary engines and boilers.
(A) Pure gasolines
(B) Heavy fuel oils
(C) Kerosene
(D) High quality oxygen
答案：登入後查看
統計： A(54), B(958), C(54), D(98), E(0) #2647916
統計： A(54), B(958), C(54), D(98), E(0) #2647916
