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  1. 1
    Measurement of effective radius of gas drainage of bedding drill hole in low permeability coal seam

    Measurement of effective radius of gas drainage of bedding drill hole in low permeability coal seam by WANG Xing, WANG Fei, LIU Xiang, HAO Yabing

    Published 2014-08-01
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    Article
  2. 2
    Research of gas movement law in goaf with parallel double U-shape ventilation mode

    Research of gas movement law in goaf with parallel double U-shape ventilation mode by HAO Yabing, WANG Fei, WANG Xing, LIU Xiang

    Published 2014-06-01
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    Article

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