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中国黄金总公司委托湖南黄金公司于1984年11月7日至9日在湘西金矿组织召开技术鉴定会,通过了长锚索预控顶连续分条尾砂充填采矿法及 MZ-1型注浆机的技术鉴定。参加会议的有科研、设计、高校、生产等单位的专家,教授及其他有关专业的代表共79人。为解决矿石价值高、矿体顶板稳定性差、地表不允许陷落的缓倾斜薄矿体开采时存在的采场生产能力低、劳动强度大、贫化率高、
China National Gold Corporation entrusted Hunan Gold Company to convene a technical appraisal meeting in Xiangxi Gold Mine from November 7 to November 9, 1984, and approved the Long-Anchor Pre-control Top Continuous Tailing Tailings Mining Law and MZ-1 Type Note Pulp machine technical appraisal. A total of 79 experts, professors and other relevant professionals from scientific research, design, colleges and universities and production units attended the conference. In order to solve the problems of high ore value, poor stability of the roof of the ore body, and slow inclined thin ore body that the ground surface is not allowed to fall, there is low production capacity, labor intensity, high depletion rate,