“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	river observation river pattern river prawn river pusher barges river reach river regime river regime chart river regulation or channel improvement river regulation planning river regulation structure river restoration project river revetment right rivers and lakes census in China rivers and lakes health assessment rivers and lakes survey river sand-mining planning Rivers and Mountains by Wang Hui riverscape river sediment river sediment measurement and grain-size analysis instrument river sediment microbes river sediment simulation Riverside Riverside Church in New York City Riverside Church in New York City

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