科兴牛山煤业井田开拓布置优化设计研究
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1008-8881|28|4|32-34
ISSN： 1008-8881
Source： 山西能源学院学报, Vol.28, Iss.4, 2015-01, pp. : 32-34
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Abstract