large diameter longitudinal welded pipe
大直径直缝焊管
large diameter longitudinal seam submerged arc welding pipe
大型直缝埋弧焊钢管
Manner according to weld steel into Longitudinal and drill pipe.
钢管按焊缝的方式分成直缝焊管和电钻焊管。
The Discussion of Combination Rolls in Longitudinal Seam ERW Pipe Mill
浅谈直缝焊管机组中的组合轧辊
The Comparison Between Longitudinal Seam ERW Steel Pipe and Seamless Steel Pipe
直缝电阻焊钢管与无缝管对比
Introduce on Production Line of Large Diameter Longitudinal Submerged Arc Welded Pipe
大口径直缝埋弧焊钢管生产线简介
Longitudinal Submerged Arc Welded Pipe Weld Tracking Method and Misalignment Analysis
直缝埋弧焊管焊缝跟踪方法与焊偏分析
Structure Principle Analysis to Inside Burr Removing Unit for Longitudinal Welded Pipe
直缝焊管内毛刺清除装置结构原理分析
The Cause Analysis of HIC Resulted in The High Frequency Longitudinal Seam Welded Pipe
直缝焊管产生氢致裂纹的原因分析
Analysis of Welding Mechanism and Its Control and Adjustment for Longitudinal Welded Pipe
高频直缝焊管的焊接机制分析及其控制与调整
Study on the Mechanical Expanding Mechanism of Large Diameter Longitudinal Welded Steel Pipe
大口径直缝焊管机械扩径成形机理研究
Hole Type Analysis and Application on Sizing Vertical Roller of Longitudinal Welded Pipe Mill
直缝焊管机组定径立辊孔型分析与应用
Computer fixed length flying cutter applied in large diameter and thick wall thickness longitudinal welded pipe was introduced.
介绍了用于大口径、厚壁直缝焊管线上的电脑定尺飞锯。
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