high-frequency straight seam welded pipe 高频直缝焊接钢管
frequency straight seam welded pipe 高频直缝焊接钢管
straight-seam welded pipe 直缝焊管
straight-seam welded tube 直缝焊管
straight seam welded tubes 直缝焊管
straight seam welded steel tube 直缝焊接钢管
The company now has six high-frequency straight seam welded pipe units, three hot-dip galvanizing line.
公司现拥有六条高频直缝焊管机组，三条热镀锌生产线。
This paper describes the production process for plate used for large-calibred straight seam welded pipeline.
介绍了大口径直缝焊接钢管用钢板的生产工艺。
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。
应用推荐