“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	Ruslan and Lyudmila Russell Russell Alan Hulse Russell antinomy Russell Banks Russell crater Russell Crowe Russell diagram Russell Gap Russell Harrison Varian Russellites Russell mixture Russell model Russell paradox Russell Saunders coupling Russell-Saunders coupling Russell''s paradox Russell's paradox Russell-Vogt theorem Russell’s viper Russel Wright Russia Russia Alpha Special Forces Army Russia aviation Russia-khanate of Khiva Treaty

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