COAL ENGINEERING ›› 2017, Vol. 49 ›› Issue (9): 118-121.doi: 10.11799/ce201709031

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Discussion on the quantitative analysis method of determining the multiple-seam mining

  

  • Received:2016-05-31 Revised:2016-09-03 Online:2017-09-25 Published:2018-04-18

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