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單項(xiàng)選擇題

Cable tension for catenary calculations is taken at the（）.

A.chain locker
B.fairlead
C.anchor
D.contact point of chain with seabed

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單項(xiàng)選擇題

By regulation，life preservers aboard an uninspected towing vessel must be（）.

A.readily accessible
B.securely stowed
C.stored in sealed containers
D.stowed with the emergency provisions

單項(xiàng)選擇題

As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right. Which type of line is this?（）

A.Right-hand laid
B.Cable-laid
C.Sennet-laid
D.Water-laid

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