The STT semiautomatic root welding plus APW-II automatic welding process has been successfully used at 17th hid section pipeline welding in West-east Pipeline project.

  • 在西气东输管道工程第17标段的管道焊接中,成功地采用了STY半自动根焊+APW-Ⅱ自动焊工艺。

  • 互联网摘选 2025-02-27 22:22:54

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