weld back-up
基本解释
- [机械工程]焊缝背垫
英汉例句
- Flux-cored wire is applied to the austenitic stainless steel pipe by back weld, MAG for the filling and cosmetic weld, at horizontal fixed round welding vertically up.
采用药芯焊丝对奥氏体不锈钢管道进行打底焊接，MAG焊填充及盖面焊，立向上的水平固定全位置焊接。
双语例句
专业释义
- 焊缝背垫