單項選擇題

A “sheepshank” is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line

你可能感興趣的試題

單項選擇題

（）provide athwartship support for the mast or king posts.

A.Shrouds
B.King posts
C.Stays
D.Turnbuckles

單項選擇題

（）are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.

A.Chains
B.Wires
C.Ropes
D.Lines