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ZL-HC20 挖改液压凿岩机
Excavator Mounted Hydraulic Drill Rig
采用行业的超高品质凿岩机，打孔速度可达0.8-1.2米/分钟。打孔范围26-51mm,不需要大空压机，其钻孔范围较Y28更广。
The lead of hydraulic drill, drilling speed 0.8-1.2m/min. Drilling hole diameter 26-51mm, no need a big compressor. The drilling scope is larger than that of Y28.
