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。

袋装水泥储运时间超过（）个月，散装水泥超过（）个月，使用前应重新检验

根据产品质量法的有关规定，某食品厂生产奶粉(袋装)，该厂在奶粉的包装袋上应当标明()

根据产品质量法的有关规定，某食品厂生产奶粉(袋装)，该厂在奶粉的包装袋上应当标明(　　)

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。