乙级工程造价咨询企业的技术负责人要取得造价工程师证书，并具有工程或工程经济类高级专业技术职称，其从事工程造价专业工作（）年以上。

钢筋混凝土排架结构的承重构件中，属于横向排架的是（ ）。

排架结构型式是指钢筋混凝土排架由屋面梁（或屋架）、柱和基础组合，排架柱上部与屋架刚接，排架柱下部与基础刚接的结构型式。

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。

装配式钢筋混凝土排架结构单层厂房，排架结构包括（）。

广泛应用于建筑工程中的普通混凝土与其他材料相比混凝土有许多优点（）等。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。