测定混凝土拌合物，用于评定混凝拌合物的（）及（）。

在用水量和水灰比不变的情况下，加大骨料粒径可提高混凝土拌合物的（）

混凝土的拌合物的拌合时间是指全部材料（包括水）投入拌合机起，至开始卸料的时间。（）

若混凝土拌合物的坍落度值达不到设计要求，可掺入（）来提高坍落度。

提高混凝土拌合物的流动性，可采取的措施是（）

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。