“铁路隧道养护维修”的概念、定义、翻译、参考文献-科学参考

单词	铁路隧道养护维修
释义	铁路隧道养护维修 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	harmonic perspectivity harmonic polar harmonic polar curve harmonic polar line harmonic pole harmonic polynomial harmonic position harmonic power harmonic progression harmonic proportion harmonic quadrilateral harmonic quadruple harmonic quadruple of lines harmonic quadruple of planes harmonic quadruple of points harmonic range harmonic range of points harmonic ratio harmonic representative harmonics harmonic scalar field harmonic segment harmonic sequence harmonic series harmonic series of primes

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