“螺旋缝埋弧焊钢管”的概念、定义、翻译、参考文献-科学参考

单词	螺旋缝埋弧焊钢管
释义	螺旋缝埋弧焊钢管 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	positive feedback positive feedback amplifier positive film positive flower structure positive formula positive function positive functional positive fundamental sequence positive glow positive Grassmannian positive half-trajectory positive helicity spinors positive Hermitian kernel positive Hermitian operator positive homogeneous function positive hull positive image positive index of inertia positive infinity positive integer positive integral kernel positive interaction between nutrients positive ion positive ion, cation positive ion mode

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。