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1·The large diameter straight welded steel pipe is now flourishing developed.

大口径直缝焊管正在蓬勃发展；

2·Give qualitative two means to take account of standard for steel strip and welded steel pipe.

在全面考虑钢带和焊管标准的基础上，提出解决钢带判定的两种方法。

3·Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.

针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。

4·This article discussed the residual stress of the HU-METAL method formed large diameter longitudinal seam welded steel pipe.

对HU - METAL法卷制成型大直径直缝焊钢管残余应力进行了分析讨论。

5·This paper discusses the reason of scratch in the weld seam border of large OD. welded steel pipe, and analyses the method to reduce it.

讨论了大直径焊管焊缝边缘引起划痕的原因，分析减少焊缝边缘划痕的方法。

6·This universal mill stand can be used not only in a new welded steel pipe mill to be designed but also in the reform to old welded steel pipe mill.

这种机架不仅可以用于新设计的焊管机组中，而且还可以用于对现有焊管机组的改造。

7·Probabilistic distribution model for welding flaws undetected, material mechanical properties and internal pressure of welded steel pipe are investigated.

笔者研究并建立了焊接钢管焊缝漏检缺陷的概率分布模型及材料性能、输送压力的概率分布模型；

8·In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.

采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。

9·It is pointed out that the steel pipe consumption in proportion to steel output and the reasonable consumption proportion of welded steel pipe to seamless steel pipe.

指出了钢管消费量占钢材产量的比例及焊管和无缝管的合理消费比例。

10·This company has seamless steel pipe perforation unit production line two, cold draw production line six, hot rolling production line with welded steel pipe production line two.

本公司拥有无缝钢管穿孔机组生产线两条，冷拔生产线六条，热轧生产线一条和焊接钢管生产线两条。