预应力混凝土的结构与普通混凝土结构相比（）。

《混凝土结构设计规范》规定，预应力混凝土结构的混凝土强度等级不宜低于（）

混凝土结构子分部工程可划分为（）.预应力.现浇结构和装配式结构分项工程。

混凝土结构子分部工程可划分为（）、预应力、现浇结构和装配式结构分项工程。

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。

某钢结构厂房工程，基础为预应力管桩基础，轻钢门式钢架结构，彩钢板屋面。钢柱有等截面和变截面柱，框架外包墙及办公区域墙体采用砖砌体，强度等级为MU10，其中办公区域楼板采用非预应力预制钢筋混凝土空心楼板。钢结构安装工程，设计要求顶紧的节点，相接触的两个平面必须保证有（）%紧贴。