Longitudinally welded pipes 直缝焊管
Stainless Steel Welded Pipes 无缝焊管
spiral submerged arc welded pipes 螺旋埋弧焊管
Laser welded pipes 激光焊管
longitudinal welded pipes 直缝埋弧焊管
Which foreign markets are potentially strong outlets for Italian and European welded pipes?
外国市场是意大利和欧洲焊管的潜在的强大的网点吗?。
A design and calculated method which transforms round welded pipes into rectangular welded pipes is introduced.
介绍一种由圆形焊管变矩形焊管的设计及计算方法。
The large dia. straight seam welded pipes are mainly used to transport oil, natural gas, coal pulp and other liquids.
大直径直缝焊管主要用于石油、天然气、水煤浆及各种液体的管道输送。
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