“railway tunnel maintenance”的概念、定义、翻译、参考文献-科学参考

单词	railway tunnel maintenance
释义	railway tunnel maintenance Encyclopedia 工学﹝铁路工务养护维修﹞释 railway tunnel maintenance铁路隧道养护维修对铁路隧道主要结构和附属设施（拱墙结构、隧底结构、防排水设施、附属洞室、洞室门、洞门结构等）进行的检查、养护、维修和大修。
随便看	divisibility closure operation divisibility condition divisibility criterion divisibility function divisibility relation divisibility rule divisibility test divisible divisible Abelian group divisible A-module divisible element divisible fractional ideal divisible group divisible hull divisible integer divisible module divisible property divisible random variable divisible subgroup divisible variate division divisional application of patent divisional feeding system of electric traction division algebra division algorithm

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