直缝焊管埋弧自动焊内焊多丝焊接规范设置探讨

直缝焊管埋弧自动焊内焊多丝焊接规范设置探讨的英文翻译

基本释义

• Discuss on Setup of Inside Welding Multiple Wire Welding Specification in Longitudinal Submerged Arc Welded Pipe