可以在（）阶段采用Make-or-buy决策分析。

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.

屋架吊升时，吊索与水平面的夹角不小于（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

装配式单层工业厂房柱子采用旋转法吊升时，柱在吊升过程中（）。

柱的吊升方法有直吊法和斜吊法两种。

钢结构厂房吊装时，钢柱吊升可采用（）等吊升方法。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。