舭肘板是连接（）和（）的连接板。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

舭肘板的宽度和高度应：（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

横骨架式双层底结构在不设置实肋板的肋位上用于代替组合肋板的结构是（）。

常见于横骨架式双层底结构中的肋板是：（）
①、组合肋板；②、舭列板；③、轻型肋板；④、舭肋板