押运员应按规定穿着印有黄色“押运”字样的红色马甲，不符合规定的不准押运。

危险货物押运人应按规定穿着印有（）“押运”字样的黄色马甲，不符合规定的不得押运。

危险货物押运员应按规定穿着印有（）“押运”字样的黄色马甲，不符合规定的不得押运。

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。

对于转基因种子的转化事件检测，目前常用的方法不包括：（）.

混凝土强度的检测方法中，根据检测工作原理的不同，其常用的检测方法包括：（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。