The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.
介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。
Hot-rolled seamless steel tube column, as the main vertical load-bearing member, plays the role of structure transferring between the cast RC frame shear wall and the steel roof truss.
以热轧无缝钢管柱为主要竖向承重结构构件，承担现浇钢筋混凝土框架剪力墙结构与钢屋架之间的结构转换作用。
The said system will extraordinarily contribute to well- management of the hot- rolled seamless steel tube production plan so as to further enhance the management level in this regard.
该系统的建立，将会在热轧无缝钢管的生产计划管理中发挥重要作用，从而进一步提高安阳钢铁集团有限责任公司无缝钢管厂热轧无缝钢管的生产管理水平。
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