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In the process of the shafting management, special attention should be paid to（）
A:on the sailing, the water in the aft peak tank should be excluded as much as possible
B:the stuffing style ahead sealing shouldn’t have any water leaking out
C:Simplex astern sealing shouldn’t have any oil leaking out
D:Simplex ahead sealing can have some oil leaking out

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出自：海船船员证

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