您要查找的是不是：
- 單面U形槽焊single-U groove welding
- 雙u形槽焊double u groove weld
- 雙v形槽焊double v groove weld
- 雙j形槽焊double j groove weld
- u盤(pán)
- 焊welding
- 單Ｊ形槽焊single-J groove weld
- 單Ｕ形槽焊single-U groove weld
- 單面復合U形坡口single compound angle groove
- 焊劑welding fluid
- 虛焊cold solder joint
- 焊渣welding slag
- 焊盤(pán)bonding pad
- 氬弧焊argon-arc welding
- U形槽活塞U-slot piston
- 焊管welded pipe
- 單式U形槽single-U groove
- 釬焊braze welding
- 埋弧焊hidden arc welding
- MPI耐高溫U形槽MPI heat-resisting U-shaped slot
