炮采技术及工作面施工应注意的问题

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-8646|7|12|38-39

ISSN: 1674-8646

Source: 黑龙江科学, Vol.7, Iss.12, 2016-01, pp. : 38-39

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract