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.

变温反应器JT-4型催化剂最佳反应温度为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

食用菌营养缺陷型

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

蔬菜一般分叶菜类、茎菜类、根菜类、果菜类、花菜类、食用菌类等。

烹调中常用的蔬菜类有叶菜类、（）、根菜类、果菜类、花菜类、食用菌类。