（）, 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。

中国近代史上由国家制定的教育文件是(    )于1904年颁布的《奏定学堂章程》。

黑龙江大学2007年起在黑龙江省高校当中开设大学生安全教育课。

黑龙江大学大学生安全教育课是新生公共课。

哈尔滨工程大学的前身中国人民解放军军事工程学院成立于（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。