单项选择题
The upward slope of a ships bottom from the keel to the bilge is known as（）.
A.camber B.slope C.deadrise D.keel height
单项选择题 The Tonnage Certificate gives（）of a vessel which is classified into gross tonnage and net tonnage.
单项选择题 The term PINTLE AND GUDGEON are associated with the（）.
单项选择题 The sprocket wheel in a windlass，used for heaving in the anchor，is called a（）.
