“railway track maintenance and renewal”的概念、定义、翻译、参考文献-科学参考

单词	railway track maintenance and renewal
释义	railway track maintenance and renewal Encyclopedia 工学﹝铁路工务养护维修﹞释 railway track maintenance and renewal铁路线路养护维修对钢轨、轨枕、道床、道岔、钢轨伸缩调节器、联结零件及轨道加强设备等线路设备进行的维修和大修。
随便看	spanish needles Spanish Phalanx Spanish private international law Spanish Revolution（1808～1814） Spanish Socialist Workers' Party Spanish sports Spanish Steps Spanish Town Spanish Virtual Observatory spanned filter spanned subspace spanned surface spanner spanning spanning cluster spanning cone spanning forest spanning length spanning polynomial spanning set spanning space spanning subgraph spanning tree spanning tree algorithm spanning wedge

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