按水利工程计价规范，根据工程量计算规则，预制混凝土工程中按有效实体方体积计量的分项工程项目是（）

灌注桩灌注水下混凝土时导管埋入混凝土深度宜为（）m。

钻孔灌注桩灌注水下混凝土过程中，导管埋入混凝土深度宜为()。

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。

打、压预制钢筋混凝土（）、（）、（）时，工程量按体积计算，设计桩长（包括桩尖）×桩截面积。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在第一次灌注桩施工完毕，拔出套管后，清除管外壁上的污泥和桩孔周围地面的浮土，立即在原位再埋设桩尖沉入套管，然后再灌注第二次混凝土的施工方法称为________。