“inner advance heading method”的概念、定义、翻译、参考文献-科学参考

单词	inner advance heading method
释义	inner advance heading method Encyclopedia 工学正洞超前导坑法释 inner advance heading method正洞超前导洞法在隧道施工之前的正洞截面上的某个部位先行开挖一个断面较小的导洞以探明正洞前方地质情况，最后将导洞扩挖为隧道正洞的方法。
随便看	Shijia Temple Shijiazhuang Art Museum Shijiazhuang Museum Shijiazhuang Pingju Opera Theatre Shijiazhuang Posts and Telecommunications Technical College Shijiazhuang Shi Shijiazhuang Sixian Opera Troupe Shijiazhuang Theatre Shi Jie Shijie Shi Jie Fan Hua Bao Shijie Library Shijie Zhen Shiji Jiedao Shi Jimei Shi Jingan Shijingshan Qu Shi Jingtang, Emperor Gaozu of later Jin Dynasty Shijingtang Ji Shijin Irrigation District Shi Jinmo ShiJi Three note Shi Jiu Shijiu Gang Shijiu Hu

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