one-side welding with back formation
常见例句
- Some technological problems such as precision of antenna ca-liber, one-side welding with back formation, etc. were solved. EBW procedure of pyramidal horn antenna was applied successfully.
解決了喇叭口逕精度、單麪銲雙麪成形等技術難點竝成功應用於産品。 返回 one-side welding with back formation