Internal combustion rock drill

Internal combustion rock drillZM-27Cnternal combustion rock drill, ZM-27Crock drill ,Internal combustion rock drillchinacoal07Internal combustion rock drillDiesel Rock Drill Internal Combustion Rock Drill The Internal Combustion Rock Drill Type ZM 27C has functions of drill hole, cleavage, bruising, tamping and chiseling. It is widely used in mine, road construction, quarrying, national defense works, etc.Available Rock Drill: Diesel Rock Drill, Pneumatic Rock Drill, Internal