COAL ENGINEERING ›› 2019, Vol. 51 ›› Issue (2): 45-48.doi: 10.11799/ce201902011

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Non solidification and constant pressure slurry sealing technology for gas drainage boreholes

  

  • Received:2018-10-22 Revised:2018-11-27 Online:2019-02-20 Published:2019-03-19

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