“铁路隧道净空断面积”的概念、定义、翻译、参考文献-科学参考

单词	铁路隧道净空断面积
释义	铁路隧道净空断面积 Encyclopedia 工学〔铁路隧道〕释 cross-section area of railway tunnel铁路隧道净空断面积铁路隧道轨面以上的内轮廓所包围的空间横截面积。
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