“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	resource discovery resource discovery service resource distribution resource drag in growth resource early warning system resource ecology resource economic management resource economics resource economy resource endowment theory resource environmental carrying capacity resource exploitation resource exploit control model resource fluctuating hypothesis resource fluctuation in the invaded range resource industry resource-intensive industry resource legal administration resource location resource management resource management in grid resource management of publishing houses resource management strategy resource management system resource manufacturing management

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