“two step mining”的概念、定义、翻译、参考文献-科学参考

单词	two step mining
释义	two step mining Encyclopedia 工学回采工艺释 two step mining两步骤回采在回采过程中，将采区或矿块划分为矿房和矿柱，第一步骤回采矿房，第二步骤回采矿柱的回采方式。
随便看	Banach density Banach fixed-point theorem Banach function algebra Banach function space Banach-Hausdorff-Tarski paradox Banachiewicz Banachiewicz compactification Banachiewicz crater Banachiewicz method Banach indicatrix Banach integral Banach inverse theorem Banach-Jordan algebra Banach lattice Banach Lie group Banach limit Banach manifold Banach-Mazur compactum Banach-Mazur convergence theorem Banach-Mazur functional Banach-Mazur game Banach mean Banach measure Banach module Banach module (left, right, two-sided)

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