大采高小煤柱沿空掘巷围岩变形规律研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1674-1730|27|1|72-76
ISSN: 1674-1730
Source: 陇东学院学报, Vol.27, Iss.1, 2016-01, pp. : 72-76
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Abstract