（）, 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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

灰体的辐射能力与同温度下黑体的辐射能力之比，称为物体的（）。

什么是黑体、白体、灰体？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在建筑工程中，工程勘察、设计、施工的标准、规范、规程中，以黑体字示出的条文都属于（）性标准，此规定在工程建设中不得违反。