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.

穿墙、楼板的乙炔管道应设保护套管，管道与套管之间用石棉绳填塞。

插接式母线槽垂直穿过楼板时，要选用（）固定。

插接式母线槽垂直穿过楼板时，要选用（）固定。

插接式母线槽垂直穿过楼板时，要选用（ ）固定。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

热力管道穿过楼板时应安装套管，所装套管应高出楼板板面的高度是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。