backing welding
短語(yǔ)詞組
- external backing welding 外焊根焊
- flux copper backing welding 銅板墊單面潛弧焊
- brick backing welding 磚形襯墊單面焊
- flux asbesto backing welding 石棉墊單面潛弧焊
- backing welding electrode 底層焊條
- flux coppor backing welding 銅板墊單面潛弧焊接
- Ceramic backing welding 陶質(zhì)襯墊焊
- flux asbestos backing welding 石綿墊單面潛弧焊
- welding backing 焊接襯墊 返回 backing welding