A.longshore hook
B.margin hook
C.marginal hook
D.pelican hook
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A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
A.rot
B.shrink
C.stretch
D.unlay
A.deck fitting used to secure mooring lines
B.casting fitted at the side of a weather deck，used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
A.strengthen the line
B.increase its efficiency
C.prevent hand injury by covering loose ends
D.make the line more flexible
A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisoning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides openings through the bulwark for mooring lines
最新試題
Hand holds or straps on the underside of an inflatable liferaft are provided（）.
A stopper is（）.
Is it safe（）a rocket?
A sweep oar is an oar that is（）.
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
The equipment required to remove an on-deck oil spill on a barge transfering oil must either be arried on board or（）.
By regulation，life preservers aboard an uninspected towing vessel must be（）.
If the ship is alongside the wharf，what kind of（）is used?
If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit，you should（）.
The davit aboard a ship is used to（）.