（）, 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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

全国统一安装工程预算定额中，《电气设备安装工程》册适用于工业与民用新建、扩建工程中1kV以下变配电设备及线路安装工程、车间动力电气设备及电气照明器具、防雷及接地装置安装、配管配线、电梯电气装置、电气调整试验等安装工程。

电气动力和电气照明安装工程中分项工程及建筑物等电位联结分项工程的检验批，应怎样划分？

刚性导管经柔性导管与电气设备，器具连接，柔性导管的长度在动力工程中不大于（），在照明工程中不应大于（）。

根据机电安装的工程规模标准，单项工程造价在200万元以下的电气动力照明工程为(　　)。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。