Development and Practice of High Pressure Fracture Grouting Modification Technology in Kilometer Deep Mine Roadway

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2020-11-26

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Design and Application of Multi-section Bundled Cordage Coring Drill

Research status and prospect of intelligent mining technology in coal mine.pdf

Design and Application of Multi-section Bundled Cordage Coring Drill

Research status and prospect of intelligent mining technology in coal mine.pdf

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