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.

画出单闭环比值控制系统的原理图。

锅炉炉膛负压控制系统常采用前馈-反馈控制系统，试画出其控制系统原理图。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）年世界上第一台电子计算机在美国宾馆西法尼大学诞生

电气控制原理图设计按（）的顺序进行。

常用于机械设备的电气工程图有三种：电气原理图、电器元件布置图和电器元件接线图。其中，电气原理图一般分主电路、控制电路两部分画出，当电路图垂直布置时，电源线应（）画，其它电路水平画，控制电路的耗能元件画在电路的下端。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。