“helical seam submerged-arc welded steel pipe”的概念、定义、翻译、参考文献-科学参考

单词	helical seam submerged-arc welded steel pipe
释义	helical seam submerged-arc welded steel pipe Encyclopedia 工学螺旋缝埋弧焊钢管释 helical seam submerged-arc welded steel pipe螺旋缝埋弧焊钢管管道运输所用的采用埋弧焊工艺制作的带有一条螺旋焊缝的管子。
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