Coal mine tunnel drilling rigs, coal mine tunnel drilling rigs, coal mine tunnel drilling rigs, coal mine tunnel drilling rigs, coal mine tunnel drilling rig manufacturers are mainly used inside mines for drilling ~-degree water exploration holes, geological structure holes, fire extinguishing holes, gas drainage and other projects Use holes. It can also drill geological drilling holes and other engineering holes on the ground. Iron ore is used to drill rocks to facilitate mining
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75m drilling rig