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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