“pilot-heading excavating method”的概念、定义、翻译、参考文献-科学参考

单词	pilot-heading excavating method
释义	pilot-heading excavating method Encyclopedia 工学硐室掘进释 pilot-heading excavating method导硐掘进法硐室岩层不够稳定时，采用先掘进小断面导硐，然后逐次扩大并砌碹的施工方法。
随便看	Lagrangian approach Lagrangian coefficient Lagrangian density Lagrangian density of electromagnetic field Lagrangian derivative Lagrangian formulation Lagrangian function Lagrangian mechanics Lagrangian method lagrangian method Lagrangian perturbation theory Lagrangian point Lagranian lag regression lag system lag theorem lag time La Guera Laguerre Laguerre continued equation Laguerre differential equation Laguerre formula Laguerre function Laguerre-Gaussian mode Laguerre-Gauss quadrature

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