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缓倾斜破碎矿体高效进路充填采矿方法研究与应用
张宏伟(),张富兴,孙胜,郭正成
Research and Application of High-efficiency Drift Backfill Mining Method in Gently Inclined Broken Orebody
Hongwei ZHANG(),Fuxing ZHANG,Sheng SUN,Zhengcheng GUO

图3. 炮孔布置示意图

Fig.3. Schematic of blast holes arrangement