Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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。

道路的路拱度是指道路的纵向坡度。

为了控制合成坡度，当道路纵坡较小，则路拱坡度宜用（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

关于合成坡度，各级公路最小合成坡度不宜小于（）、当合成坡度小于0.5%，则应采取排水措施，保证路面排水畅通。

关于合成坡度，各级公路最小合成坡度不宜小于（）；当合成坡度小于（），则应采取排水措施，保证路面排水畅通。

公路工程水文勘测设计规范是（）