How to avoid vapour emission during filling of departure ballast (non SBT vessel)?

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

How to avoid vapour emission during filling of departure ballast (non SBT vessel)?
A.By simultaneous ballasting andcargo discharge
B.By reducing the IG pressure
C.By minimizing the amount ofdeparture ballast
D.By closing all the openings

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