“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	protein envelope protein extraction protein family protein family classification protein feed protein fibre protein film voltammetry protein-film voltammetry protein fluorescence protein folding protein folding in the intercellular enviroment protein folding theory protein fragment complementation protein fragments complementary technology protein freeze drying protein freezing and thawing protein function area based peptide drug protein gel electrophoresis protein generator protein glycosylation protein glycosylation analysis protein homology modeling protein immunoassay protein irrational design protein isolation and purification

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