KHYD минируя электрическое сверло Drillings 5.5KW утеса ручное портативное

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Electric Rock Drill Keyword:electric rock drill; rock drill Product Introduction KHYD series mine electric variable-speed drill is suitable for rock drilling rock blasting holes,highway subgrade drilling row of holes urban high days building foundation pit in the soil-nail drill;housing,land-based plant-based reinforcement grouting holes,physical exploration of blast hole and so on.The big rig especially is suitable for digging holes,deep hole. Compared with other types power