square and rectangular welded pipe
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方矩形焊管
- 引用次数:1
参考来源 - 成型及焊接工艺对方矩形焊管组织及力学性能的影响
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This paper introduces the producing and technology characteristics of the square and rectangular double-welded seam pipe. And designing of the pass parameters of the cold-bent channel steel.
介绍了双焊缝方矩形钢管生产技术的特点及冷弯等边槽钢孔型设计参数。
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