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。

电动轮汽车行驶中突然刹车失灵，司机应怎样做？

司机一边观察道路情况，一边操纵汽车行驶，这属于（）。

行驶系由（）车轮组成。

行驶系由什么组成？

行驶系由（）组成。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。