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。

水利工程建设项目建设监理招标，投标人的法定代表人或者授权代表人应当出席开标会议。（）不得出席开标会议。

水利工程建设项目建设监理招标，投标人的法定代表人或者授权代表人应当出席开标会议。（）不得出席开标会议。

华北水利水电大学（花园校区）位于（）。

《水利工程建设项目招标投标管理规定》指出，达到（）规模标准之一的水利工程建设项目必须进行招标。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。