During fueling，all doors，hatches，and ports（）.<br>A:to windward should be opened and the ones to leeward should be closed<br>B:to leeward should be opened and the ones to windward should be closed<br>C:should be opened<br>D:should be closed

During fueling，all doors，hatches，and ports（）.
A:to windward should be opened and the ones to leeward should be closed
B:to leeward should be opened and the ones to windward should be closed
C:should be opened
D:should be closed

出自：海船船员证

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