相关考题
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单项选择题
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
A.becket bend
B.blackwall hitch
C.figure-eight knot
D.square knot -
单项选择题
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（）.
A.composite
B.left-lay
C.improved
D.preformed -
单项选择题
In order to retrieve an inflatable life raft and place it on deck，you should heave on the（）.
A.lifelines
B.righting strap
C.sea anchor
D.towing bridle
