“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	quasi-center quasi-centered affine mapping quasi-centralizer quasi-character quasi-chemical approximation quasi chemical equilibrium of defects quasi-chemical equilibrium of defects quasicircle quasi classical approximation quasi-classical approximation quasiclassical trajectory(QCT) method quasi - clean walkways quasi-closed group quasi-coherent quasi-coherent module quasi-coherent sheaf quasicoherent sheaf quasi-commutative quasicompact quasicompact affine scheme quasicompact morphism quasicompactness quasicompact set quasicompact space quasicompactum

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。