平庆煤矿117801工作面钻孔施工、封孔和接抽安全技术的研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1674-5078|8|4|43-46
ISSN: 1674-5078
Source: 晋城职业技术学院学报, Vol.8, Iss.4, 2015-01, pp. : 43-46
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract