单项选择题
Small hull leaks can be temporarily repaired by（）.
A.parcelling
B.parbuckling
C.caulking
D.seizing
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相关考题
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单项选择题
Rivets are usually made of（）.
A.wrought-iron
B.aluminum
C.high-tensile steel
D.mild steel -
单项选择题
Repairing damage to the hull at or above the waterline reduces the threat of（）.
A.free surface effects
B.capsizing
C.continued progressive flooding
D.wind heel -
单项选择题
Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）
A.Toxic gasses may be present
B.Flammable gasses may be present
C.Liquid muds may flood adjoining spaces
D.An oxygen-deficient atmosphere may be present
