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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

现行广西定额《水利建筑工程概（估）算定额》中，平洞衬砌定额适用于水平夹角（）单独作业的平洞。

现行广西定额水利建筑工程概预算定额中，“合金钻头”是指下列那种钻孔设备使用的钻头（）

根据现行广西定额水利建筑工程概预算定额，砂砾（卵）石开挖和运输按（）计算。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。