翻译：With Average or With Particular Average（WA or WPA）（）

联锁是为保证行车安全，通过技术方法使信号、道岔和进路间建立的一种相互联系、相互制约的关系。

擦拭道岔时，行车调度员监护擦拭人员安全。（考点范围：道岔擦拭的有关规定）

根据《北京地铁手摇道岔作业时间标准》内容，北京地铁的道岔类型分为（）

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

进行轨行区手摇道岔时，以下行为是禁止的（　　）。