A.never leak but may be spoiled by leakage
B.sometimes leak and damage themselves
C.often leak and damage other cargo
D.neither leak nor will be damaged by leakage
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A.the call sign and name
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A.sweeping bag
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A.what
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最新試題
The circulation around a low pressure center in the Northern Hemisphere is（）.
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（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
It is dangerous for vessels without the operational radar（）the estuary.
Full details of all lights and fog signals are shown on（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）