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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。
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invariant class of groups
invariant complement
invariant component
invariant cone
invariant continuation
invariant curve
invariant decision function
invariant decision problem
invariant decision procedure
invariant decomposition
invariant definition
invariant delta-function
invariant density
invariant derivative
invariant differential
invariant differential equation
invariant differential form
invariant differential operator
invariant dimension property
invariant distance
invariant distribution
invariant divisor
invariant element
invariant embedding
invariant embedding method
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