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由大同矿务局和宣化风动机械厂共同研制的,适用于井下多用途的SKZ-120型新型深孔钻机,经过一年的努力,现在基本成功,经鉴定,已准备投入批量生产。该钻机既能为气动冲击凿岩,钻凿砾岩
Developed jointly by Datong Mining Bureau and Xuanhua Pneumatic Machinery Factory, the new SKZ-120 deep-hole drilling rig suitable for downhole multi-purpose is now basically successful and has been identified and ready for mass production. The rig not only for pneumatic impact drilling, drilling conglomerate