Journal of Mining & Safety Engineering ›› 2017, Vol. 34 ›› Issue (1): 177-184.

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“Drilling-flushing-slotting” intercoupling pressure-relief technology of cross-measure boreholes and its application in high gassy outburst coal seam

  

  • Received:2015-01-12 Online:2017-01-11 Published:2017-01-06

Key words:  ,  ,  , highly gassy outburst coal seam;cross-measure borehole;Drilling-Flushing-Slotting;pressure-relief;gas extraction