在机械制图中，图框线必须用（）画出，图样绘制（）。

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。

在机械制图中，下列图样的比例（）不符合国家标准。

在机械制图中图样比例是指（）。

在机械图样中，重合断面的轮廓线应采用：（）

在机械图样中，重合断面的轮廓线应采用（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。