“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	hexagonal board hexagonal boron nitride hexagonal close-packed structure HCP structure hexagonal close packing hexagonal closure condition hexagonal crystal system hexagonal dipyramid hexagonal grid hexagonality closure condition hexagonal lattice hexagonal net hexagonal nomogram hexagonal number hexagonal nut hexagonal phase hexagonal prism hexagonal pyramid hexagonal pyramidal number hexagonal scalenohedron hexagonal square number hexagonal-square roll pass sequence hexagonal system hexagonal web hexagon pattern hexagon tiling

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。