單項選擇題

A 6x12，two-inch wire rope has（）.

A.12 strands and a two-inch diameter
B.12 strands and a two-inch circumference
C.6 strands and a two-inch diameter
D.6 strands and a two-inch circumference

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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

單項選擇題

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

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