煤矿井下采矿技术存在问题及优化措施探讨
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1673-288x|40|5|110-112
ISSN: 1673-288x
Source: 环境与可持续发展, Vol.40, Iss.5, 2015-01, pp. : 110-112
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract