“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	Whitham Whitham equations whitlockite Whitney Whitney Biennial Whitney class Whitney condition Whitney decomposition Whitney embedding theorem Whitney extension theorem Whitney-Graustein theorem Whitney imbedding theorem Whitney mapping Whitney Museum of American Art Whitney product Whitney singularity Whitney stratification Whitney sum Whitney sum bundel Whitney sum bundle Whitney theorem Whitney umbrella Whitney, William Dwight Whittaker Whittaker cardinal function

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