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單項(xiàng)選擇題

A design modification of an anchor chain which prevents kinking is the（）.

A.detachable link
B.stud link
C.Kenter link
D.connecting link

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單項(xiàng)選擇題

A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.

A.bitt
B.bollard
C.capstan
D.cleat

單項(xiàng)選擇題

A contra-guide is a type of（）.

A.bow thruster
B.cargo gear
C.steering engine
D.rudder

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