“rail grinding and milling machinery”的概念、定义、翻译、参考文献-科学参考

单词	rail grinding and milling machinery
释义	rail grinding and milling machinery Encyclopedia 工学铁路养路机械释 rail grinding and milling machinery钢轨打磨及铣削机械通过磨削或铣削的方式修复钢轨轨头轮廓形状的轨道作业机械。是铁路线路维修，尤其是高速铁路维修的主型机械。
随便看	trivial extension trivial extension algebra trivial factor trivial fiber bundle trivial fiber space trivial fibration trivial field trivial file transfer protocol trivial file transfer protocol, TFTP trivial functor trivial graph trivial group trivial group action trivial homogeneous ideal trivial ideal trivial intersection trivial invariant subspace trivial isometric transformation triviality triviality condition trivialization trivialized cobordism theory trivializing trivial knot trivial line bundle

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