论文部分内容阅读
1993年7月7～8日冶金部主持召开了“鱼形角矿区地压活动规律的研究”技术鉴定会。该项研究课题是北京科技大学和浙江东风萤石公司共同完成的。与会代表对研究报告和技术资料进行了认真审查。认为该项研究能密切联系生产实
July 7, 1993 July 8 Metallurgy hosted the “fish-shaped corner mining pressure of law research” technical appraisal. The research project is jointly completed by Beijing University of Science and Technology and Zhejiang Dongfeng fluorite company. The delegates carefully reviewed the research report and technical materials. Think the research can be closely related to the production of real