“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	the preservation of Chicago historic city the preservation of City of Valletta the preservation of Esfahan historic city the preservation of Florence historic city the preservation of Hanoi historic city the preservation of Istanbul historic city the preservation of Kathmandu historic city the preservation of Kyoto historic city the preservation of Leuven historic city the preservation of Lima historic city the preservation of Lyon historic city the preservation of Malacca historic city the preservation of Memphis and its Necropolis the preservation of Milan historic city the preservation of Moscow historic city the preservation of Nara historic city the preservation of Newcastle historic city the preservation of of Paris historic city the preservation of of Shirakawa-go and Gokayama historic villages the preservation of Oslo historic city the preservation of Palermo historic city the preservation of Philadelphia historic city the preservation of Rabat city the preservation of Samarkand historic city the preservation of Segovia historic city

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。