A.must be wet before it will release
B.should be kept in a watertight cover except in an emergency
C.will inflate the raft in its cradle if operated manually
D.must be submerged to a certain depth to release automatically
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A.Escape route
B.Alley way
C.Corridor
D.Embarking way
最新試題
By regulation，life preservers aboard an uninspected towing vessel must be（）.
A single heavy wire made up for the topping lift is called a（）.
In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.
As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right. Which type of line is this?（）
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Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
A stopper is（）.
If the ship is alongside the wharf，what kind of（）is used?
Cable tension for catenary calculations is taken at the（）.
A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.