（）, 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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

报告是下级机关给上级机关的单方向的上行文，不需要上级机关给予回复的，因此在报告中不得夹带请示事项或要求上级机关答复的事项。

报告中不得夹带请示，请示中也不能有报告的内容。

“报告”中（）夹带请示事项。

请示应当一文多事，可以再报告等非请示性公文中夹带请示事项。

请示可以多文一事，也可以在报告等非请示性公文中夹带请示事项。

报告中不得夹带请求事项，以免影响请示事项的处理。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。