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KMD120 type anchoring drill rig is a kind of electric crawler walking, light-weight, high efficiency and multi-function of drill hole equipment, it is mainly suitable for domestic subway, high-rise buildings, airports, ground source heat pump and other deep foundation pit of anchorage, rotary spray and other USES of hole drilling work. The DTH drilling jumbo can be suitable for drill pipe DTH drilling, set of drill and mud pump (clear water pump) drilling, drill pipe and casing drilling technology such as construction method.