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中国有色金属工业总公司生产部委托采矿情报网于1987年5月8日～11日,在凡口铅锌矿召开了74个矿山企业的122名代表参加的“降低损失贫化管理经验交流会”。通过代表们的认真讨论,统一了思想,交流了经验,提出了问题,找出了措施。会议开始由生产部采选处处长王金斗同志做了中心发言,题目为“大力降低损失、贫化率”,主要内容:分析了矿山面临的形势,总结了当前矿山损失贫化的状况,提出了目标和要求。受总公司委托有色金属采矿情报网通过调查,编写了《我国有色金属地下矿山损失贫
China Nonferrous Metals Industry Corporation commissioned by the Ministry of Production Mining Information Network On May 8, 1987 ~ 11, held in Fankou lead-zinc mine, 74 representatives of 122 mining companies to participate in “to reduce the experience of the management of loss of dilution ”. Through careful discussions among deputies, they unified their thinking, exchanged experiences, raised questions and found measures. The meeting began with the speech made by Comrade Wang Jin-Dou, director of the mining and dressing department of the Ministry of Production, entitled “Vigorously Reduce Losses and Dilution Rates”. The main contents are as follows: The situation faced by the mines is analyzed, the present status of mine depletion and depletion is summarized, Goals and requirements. Commissioned by the Corporation non-ferrous metal mining information network through the investigation, prepared a "loss of China’s non-ferrous metal mine underground depletion