你可能感興趣的試題

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

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

（） are two vertical supports，usually steel，one each side of the centerline of the ship used to support booms.

你可能感興趣的試題

What is the primary disadvantage of a permanent chain chaser system?（）

What is the main reason to slush a wire rope?（）

（） are two vertical supports，usually steel，one each side of the centerline of the ship used to support booms.