煤炭去产能形势下煤层气产量与价格演变趋势研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-3971|volume|10|60-63

ISSN: 1003-3971

Source: 价格理论与实践, Vol.volume, Iss.10, 2017-01, pp. : 60-63

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Abstract