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Abstract New type of coal mine roadway SGZ-111A type underground coal mine hydraulic pressure drilling mobile car was introduced, combined hydraulic drive with mechanical drive theory, SGZ-111A type underground coal mine hydraulic pressure drilling car movement was realized, which reduced many problems caused by drilling rig disassemble and workers labor intensity, improved the work efficiency, avoided the oil loss, achieved the goal of austerity, decreased the consumption and safe handling, promoted the coal mine safety production.
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