“main line track”的概念、定义、翻译、参考文献-科学参考

单词	main line track
释义	main line track Encyclopedia 工学线路工程释 main line track正线载客运营的，贯穿所有车站和区间，供列车日常运营的线路。是城市轨道交通线路中的一种。
随便看	secular evolution secular inequality secular instability secularization secular motion secular parallax secular perturbation secular polar motion secular precession secular priest secular resonance secular stability secular tendency secular term secular theology secular trend secular trend of cancer secular variable secular variation Secunda Giedi Secunda Hyadum secure attachment secure data provenance secured claims in bankruptcy secure docking device

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