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.

水泵串联可以增加扬程，其总扬程为各串联泵扬程之和。

水泵在安装过程中，水泵与电机间的连接间隙应（）水泵轴的串量。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

《机械设备安装工程施工及验收通用规范》的规定主要是对各类机械设备安装工程施工，提出（ ）技术规定或技术要求。

机械设备运转时，操作者可以离开工作岗位。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。