建筑材料按材料的化学成分可分为（）。

建筑材料按材料的化学成分可分为（）。

按材料的基本成分类，建筑材料可分为（）。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

房屋按建筑结构类型和材料可分为砖木结构、混合结构、( )。

建筑材料按其材料来源可分为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。