“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。
随便看	affine complete algebra affine complete hypersurface affine complex plane affine congruence affine congruence; affine equivalence affine congruent figure affine-connected affine-connected manifold affine-connected space affine connection affine connection component affine connection space affine contractive mapping affine coordinate affine coordinate frame affine coordinate ring affine coordinates in plane affine coordinates in space affine coordinates system affine coordinate system affine coordinate system in plane affine coordinate system in space affine coordinate transformation affine coroot affine correspondence

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