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單項選擇題

The valves（）S/0 No.187 is not shown in the plan.

A.below
B.in
C.of
D.under

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單項選擇題

To improve your vessel’s stabilty in a hazardous situation, you should（）.

A.ballast deep tanks if they are slack
B.transfer ballast athwarships
C.pump out double bottoms
D.fill double bottom from deep tanks

單項選擇題

Upon the survey it is found the deck control valve of the fore peak tank could not be（）.

A.tighted formally
B.shut tightly
C.combined properly
D.closed suitably

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