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冶金部于1980年元月20日至23日在马钢矿山公司南山铁矿召开了预裂爆破技术鉴定会,参加会议的有全国62个单位99名代表。会议期间,代表们听取了冶金部马鞍山矿山研究院关于“预裂爆破效果及分析”的研究报告、以及使用单位南山铁矿关于“预裂爆破在矿山的应用”和中国人民解放军某部关于“预裂爆破在水下工程中的应用”的报告,审查了有关技
Ministry of Metallurgical Metallurgy held a pre-splitting blasting appraisal meeting at Maanshan Iron & Steel Company Nanshan Iron Mine from January 20 to January 20, 1980. There were 99 representatives from 62 units nationwide. During the meeting, the delegates listened to the research report of “Research on the Effect and Analysis of Presplitting Blasting” issued by the Ma’anshan Mining Research Institute of the Ministry of Metallurgy and the application of the unit “Nanshan Iron Mine” on “Application of Presplitting Blasting in Mines” and a comment by the Chinese People’s Liberation Army on “ Application of pre-split blasting in submerged engineering ”and examined the related technologies