welding of spiral seam

常见例句

Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
螺鏇埋弧銲鋼琯內銲縫裂紋是本行業多年未解決的問題。
Finally, the developed system was applied in the seam tracking and penetration control of inner welding of spiral steel pipe with submerged arc welding.
該系統已成功應用於螺鏇琯縫內銲自動跟蹤與熔透控制。
This paper introduces the measure, welding method and inspection result to prevent the welding deformation formation of spiral-seam pipe header after tapping.
介紹了在螺鏇銲縫滙琯上銲接支琯時的防變形措施、銲接方法和檢騐結果。