EGR便携式全液压钻机在萤石矿勘查中的应用与分析

张雄,张耀澎,牛恩宁,华伶利,吕新全

Application of EGR Portable Full Hydraulic Drill in Fluorite Mine Exploration

Xiong ZHANG,Yaopeng ZHANG,Enning NIU,Lingli HUA,Xinquan LV

图4 钻孔场地施工前后对比

Fig.4 Comparison of drilling site before and after construction