“track bed structure”的概念、定义、翻译、参考文献-科学参考

单词	track bed structure
释义	track bed structure Encyclopedia 工学道床结构释 track bed structure道床结构铺设于路基、桥梁或隧道结构之上，钢轨、轨枕之下及周边的碎石、卵石层或钢筋混凝土层。是轨道重要组成部分，轨道框架的基础。
随便看	timing attack timing constraint timing control method timing device timing diagram timing effect of axial flow compressor timing equipment timing error timing gears timing generator timing group delay timing instrument timing jitter timing pulse timing pulse distributor timing reproduction timing schedule timing sequence navigation timing simulation timing system timing terminal Timiryazev crater Timisoara TIMI分级 Tim Miller

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