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煤炭部科技局于1980年12月18日至20日在阜新矿业学院召开了我国主要矿区回采工作面顶板分类评议会,参加会议的有煤炭部有关司局、矿务局、研究所、院校等54个单位的代表,共104人。会议期间,与会代表听取了北京开采研究所、中国矿业学院和阜新矿业学院所作的顶板分类研究报告,并对这一分类方案进行了认真而热烈的讨论。大家一致认为顶板分类工作十分重要,是当前生产上迫切需要解决的问题。近三年来,在煤炭科学研究院开采研究所等四个研究所、中国矿业学院和阜新矿业学院等七
Ministry of Coal Science and Technology Bureau December 18, 1980 to 20 in Fuxin Mining Institute held in China's major mining face mining face roof classification Council, attended the meeting with the relevant departments of the Ministry of Coal Mining Bureau, Institutes, institutions And other 54 units of representatives, a total of 104 people. During the meeting, the participants listened to the roof classification research report made by Beijing Mining Research Institute, China Mining Institute and Fuxin Mining Institute, and conducted a serious and enthusiastic discussion on this classification scheme. We all agreed that the roof classification work is very important, is the urgent need to solve the current production problems. In the past three years, four research institutes such as Mining Research Institute of China Coal Research Institute, China Mining Institute and Fuxin Mining Institute