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單項(xiàng)選擇題

The Tonnage Certificate gives（）of a vessel which is classified into gross tonnage and net tonnage.

A.the descriptions
B.the measurements
C.the specifications
D.the prescriptions

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單項(xiàng)選擇題

The term PINTLE AND GUDGEON are associated with the（）.

A.anchor windlass
B.jumbo boom
C.rudder
D.steering engine

單項(xiàng)選擇題

The sprocket wheel in a windlass，used for heaving in the anchor，is called a（）.

A.capstan
B.dog wheel
C.fairlead
D.wildcat