“mountain tunnel”的概念、定义、翻译、参考文献-科学参考

单词	mountain tunnel
释义	mountain tunnel Encyclopedia 工学山岭隧道释 mountain tunnel山岭隧道为克服高程和平面障碍，缩短距离和避免大坡道而从山岭或丘陵下穿越修建的用于交通、市政等各种功能的工程建筑物。
随便看	set of multiples set of multiplicity set of natural numbers set of non-uniqueness set of nowhere dense set of numbers set of objectives set of objects set of observations set of pairs set of points set of poles set of premises set of procedures for manufacturing process set of procedures' relations set of procedure’s functions set of reachable markings set of real numbers set of representatives set of second category set of sentences set of separability set of sequences set of series set of sets

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