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.

主要用于重要结构零件的调质处理，处理后的钢不仅强度较高，而且塑性、韧性显著超过正火处理的热处理工艺为（ ）。

栗木lì mù

用于复鞣铬鞣革的栗木栲胶为（）栗木栲胶，复鞣后的革（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

锅炉水处理中采用栲胶不起（）作用。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

植物鞣剂复鞣铬鞣革的主要目的是为了提高革的结构稳定性的同时，对革起到良好的（），从而赋予革（）的性能。