semi-automatic submerged arc welding
英
美
- 半自动埋弧焊
双语例句
- The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced.
本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。
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