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。

和谐机车牵引列车运行时，司机施行大闸制动时，机车上电制，车辆上空气制动。

使用电力机车担当救援机车，如动车组升弓，由动车组司机通知救援机车司机，救援机车司机在通过（）通知动车组司机断电并降弓。

铁路沿线一切建筑物、设备，在任何情况下均不得侵入《铁路技术管理规程》规定的机车车辆限界。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

设有双端司机室的机车，司机必须在运行方向前方司机室操纵。

《铁路客车运用维修规程》规定，列车在区间被迫停车不能继续运行时，如遇自动制动机故障，车辆乘务员在接到机车乘务员的防溜通知后，应立即组织列车乘务人员拧紧全列人力制动机，开车前由列车长组织列车乘务人员松开全列人力制动机，并经车辆乘务员下车检查确认后方可开车。