問題詳情

17. By regulation, cargo tanks must be filled with inert gas before and during what operation?
(A) Trimming
(B) Rolling
(C) Listing
(D) Crude oil washing

參考答案

答案：D
難度：非常簡單0.9
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【gin4869aptx】評論

原油洗艙需要注入惰性氣體才安全