單項(xiàng)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


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題()provide athwartship support for the mast or king posts.

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

4.單項(xiàng)選擇題What is the primary disadvantage of a permanent chain chaser system?()

A.It requires anchor handling boats with more horsepower
B.Chain chasers work in shallow water only
C.Chain chasers will not work with piggyback anchors
D.It takes longer to deploy anchors using chain chasers

5.單項(xiàng)選擇題What is the main reason to slush a wire rope?()

A.Keep the wire soft and manageable
B.Lubricate the inner wires and prevent wear
C.Prevent kinking
D.Prevent rotting