“downward drift stoping with backfill”的概念、定义、翻译、参考文献-科学参考

单词	downward drift stoping with backfill
释义	downward drift stoping with backfill Encyclopedia 工学上向分层充填采矿法释 downward drift stoping with backfill下向进路充填法将矿块沿竖直方向划分为若干分层，由上而下逐层以巷道进路的方式进行回采并充填的采矿方法。
随便看	Hongqi Weekly Hong Quan Hong Ren Hong Rengan Hongru River Hong Sanhe Hong's Collection of Effective Recipes,block-printed edition by Gushujunzhai,sixth year of Qiandao era,Song Dynasty Hong Seong-won Hong Se-seop Hongshan Culture Hongshan Culture hooked cloud-shaped jades Hongshan Culture oblique mouth cylinder-shaped jades Hongshanmiao Hongshan opera Hongshan Qu Hongshan Reservoir Hong Shen Hong Sheng Hong Sheng and Kong Shangren Hong Shilv Hongshi Zhen Hongshui He Hongshuizhuang Formation Hongsibu pingyuan Hongsipu Qu

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