网络释义
1)longitudinal seam,纵缝;纵向接头2)longitudinal joint,纵缝3)longitudinal seam,纵缝4)welding of longitudinal seam,纵缝焊5)longitudinal seam welding,纵缝焊接6)longitudinal seam of steam drum,锅筒纵缝7)longitudinal joint dislocation,纵缝错台8)longitudinal crack,纵缝处理9)Weld shaping,纵缝成形10)vertical construction joint,施工纵缝