保德煤矿81305工作面瓦斯浓度影响因素分析

doi:10.11799/ce201503025

COAL ENGINEERING ›› 2015, Vol. 47 ›› Issue (3): 74-76.doi: 10.11799/ce201503025

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Received:2014-05-26 Revised:2014-09-11 Online:2015-03-10 Published:2015-03-25

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