“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	Shicheng Xian Shichengzi Shichengzi River Shi Chong Shi Chonggui, Emperor chudi of later Jin Dynasty Shi Chuan Shi Chuanxiang Shiciqu Yuci Huishi (The Collected Interpretation of the Words in Poetry, Songs and Dramas) Shiciqu Yuci Lishi (Lexical Anthology of Poetry,Songs and Dramas) Shi Cuntong Shi Dabin Shi Dagui Shidai Manhua Shi Dakai Shi Dan Shidao Shidao Bay high-temperature gas-cooled reactor pebble-bed module demonstration power plant Shi Daocan Shidao Gang Shidao Wan Shi Daoyuan Shi Daxin Shi Dazu Shida′s number Shi Deqing

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