butt welding

• Butt welding fittings - elbows - part 2 : full correlation of utilization
  对焊管件.弯管.第2部分:全利用率的相关性
• Partial penetrated butt weld
  不焊透对接焊缝61
• Automatic pressure butt welding
  自动压力对焊
• Cracking failure analysis of the butt welding seams of the bends of steam heaters
  蒸汽加热器弯头对焊焊缝开裂失效分析
• Continuous butt weld mill
  连续式炉焊管机组
• Marine combination pipe flanges , slip - on steel outer flanges , butt weld - on steel inner flanges
  船用对焊钢环松套钢法兰
• Butt weld neon la .
  电焊接氖灯焊接线氖灯
• Fittings for butt welding into copper - nickel - alloy pipelines - concentric reducers
  与铜镍合金管路对接焊的配件.同心异径管
• Flash butt welding machine
  闪光对焊机
• Penetrated butt weld
  透焊对接焊缝60