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.

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。

预应力混凝土连续梁采用顶推方式架设时，施工前应编制施工（）和施工附属结构设计。

连续梁顶推时，导梁的强度、刚度和稳定性以及与主梁的连接应进行（），满足安全的要求。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

铁路大跨度混凝土连续梁主要采用（）和顶推法施工。