翻译：With Average or With Particular Average（WA or WPA）（）

当直接人工或材料由两个多个输入组成时，直接人工或材料的效率差异可以分解成（）。

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.

直接材料价格差异

直接材料数量差异

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

某公司生产甲产品50件，共耗用直接材料100千克，单位产品直接材料标准耗用量为2.2千克，每千克材料的标准价格为20元，实际价格为23元，则该产品直接材料价格差异为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。