复杂开采条件下低品位镍矿安全高效回采方案研究
谭宝会,王永定,张志贵,龙卫国,李斌,何建元,龚臻

Study on Safety and Efficient Mining Scheme for Low Grade Nickel Ore Under Complex Mining Conditions
Baohui TAN,Yongding WANG,Zhigui ZHANG,Weiguo LONG,Bin LI,Jianyuan HE,Zhen GONG
图10 扇形炮孔布置形式及爆破块度效果
Fig.10 Fan-shaped blasthole layout and blasting fragmentation effect