Study on Key Technologies of Coal Mine Rapid Drilling Equipment and Rapid Blasting by Large Diameter Straight Hole Cutting

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Study on Key Technologies of Coal Mine Rapid Drilling Equipment and Rapid Blasting by Large Diameter Straight Hole Cutting

BAO Wei, SUN Wen-Jin, SONG Hui, SONG Li-Xin, CHEN Shan, WU Shuai

Metal Mine . 2017, (07): 65 -68 .