問題詳情
29. ______ are used widely in marine applications in combustion equipment such as mainengines, auxiliary engines and boilers.
(A) Pure gasolines
(B) Heavy fuel oils
(C) Kerosene
(D) High quality oxygen
參考答案
答案：B
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用户評論
【Wind】評論
29.______廣泛用於船用燃燒設備，如主機、輔機和鍋爐。A.純汽油B.重油C.煤油D.高品質氧氣