“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	Lydia Maria Child Lydian stone Lyear Lyell, Sir Charles lye treatment lying lying-on beam Lykke Per Lyle Farris Bachman Lyman alpha absorption Lyman alpha emitter Lyman break galaxies Lyman break galaxies，LBG Lyman break galaxy Lyman break method Lyman continuum Lyman crater Lyman discontinuity Lyman ghost Lyman jump Lyman limit Lyman-limit absorption Lyman-limit galaxy Lyman-limit system Lyman line

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。