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2 钻孔结构设计

Fig.2 Drilling structure design