“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	limit properties of expectation limit property limit relation limitron limit set limit set of a trajectory limit situations limit size for cocoon feeding limits of acceptable change limits of diagonalization limits of tolerance limit space limit spectrum limit sphere limit state design method limits-to-growth proposition limit strength limit subset limit superior limit surface limit switch limit test limit test of toxic constituents limit theorem limit the range of activities

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