1.Steel tube is widely used as a sort of metallic material in industry and has also contributed much to the national economic development.
钢管是一种用途广泛的工业金属材料，也是国民经济发展的一个重要支柱。
2.A Jiangsu Changbao Steel Tube official said the company has no immediate comment.
江苏常宝钢管股份有限公司的一位管理人员说，公司对此暂时不发表置评。
3.The fire resistance behaviour and design of CFST columns are one of the key issues in practice due to the steel tube being exposed to air.
因钢管外露，钢管混凝土柱的抗火性能与设计是其在工程实践中的关键问题之一。
4.LuHong seamless steel tube, analysts said the various related conditions from the market, GangShi sustained "reverse" is unlikely.
鲁宏无缝钢管分析师说，从市场的各种相关条件来看，钢市出现持续“反转”的可能性不大。
5.The third part, the quill, is a hardened steel tube, which can be moved longitudinally in and out of the intermediate part as required.
第三部分，套筒轴是一淬硬钢管，它能根据需要在尾架体中纵向进出移动。
6.The invention relates to an indirect assembly concrete-filled steel tube combined special-shaped column and a production method thereof.
本发明涉及一种间接装配式钢管混凝土组合异形柱及其制作方法。
7.Concrete filled steel tube structure is characteristic of good bearing capacity, ductility, anti-seismic capability and easy construction.
钢管混凝土结构具有承载力高，延性好，抗震性能优越，施工方便等特点。
8.The test result proves that the defect of steel tube isn't found out, and the performance of mechanics and welding is up to the standard.
试验结果证明无发现钢管冶金缺陷，其力学、焊接性能均符合标准规定。
9.The utility model relates to a grooving and a tapering die sets for slit steel tube friction anchor rod.
一种开缝式钢管摩擦锚杆的开槽成锥模具。
10.The utility model relates to a spatial multiplexing K type node of a steel tube component, belonging to the field of building engineering.
本实用新型涉及钢管构件空间复K型节点，属于建筑工程领域。