两近三软煤层群卸压瓦斯抽采技术研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-2945|volume|21|155-155

ISSN: 2095-2945

Source: 科技创新与应用, Vol.volume, Iss.21, 2016-01, pp. : 155-155

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Abstract