“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	measurable selector measurable semiflow measurable set measurable set-valued function measurable set valued mapping measurable set-valued mapping measurable space measurable stochastic process measurable subset measurable transformation measurable variable measurable vector function measurable vector-valued function measurand measuration measure measure algebra measure and conquer measured measured Boolean algebra measured characteristic parameter measured coordinate measured curve measure decomposition measured lag time

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