基本解释

• [机械工程]焊缝背垫

英汉例句

双语例句

• 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。

专业释义

机械工程

• 焊缝背垫