深孔预裂爆破弱化坚硬顶板技术及现场应用

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-8881|29|4|3-4

ISSN: 1008-8881

Source: 山西能源学院学报, Vol.29, Iss.4, 2016-01, pp. : 3-4

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

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Abstract