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1973年10月23日至26日,冶金部委托湖南省冶金局在湖南水口山铅锌矿召开了1米~3棒型浮选机鉴定会,出席会议的有来自一机部、二机部、冶金部、燃化部的有关矿山、科研设计、设备制造和大专院校共42个单位,71名代表。会议以批林整风为钢,开展了革命大批判,进一步学习毛主席“开发矿业”的伟大指示。会上水口山铅锌矿和长沙有色冶金设计院分别介绍了该设备的结构特点、试制试验经过。与会代表认真听取了报告,进行了现场参观,并进行了热烈讨论,一致认为:
October 23, 1973 to 26, the Metallurgical Department commissioned the Hunan Provincial Metallurgical Bureau held a 1 meter ~ 3 bar flotation machine identification meeting in Hunan Shuikoushan lead-zinc mine, attended the meeting from a machine department, the second machine department , Ministry of Metallurgy, Ministry of Combustion, Ministry of Minerals, scientific research and design, equipment manufacturing and tertiary institutions a total of 42 units, 71 representatives. The meeting criticized Lin Feng rectification for steel, carried out major revolutionary criticisms, and further studied Chairman Mao’s great instruction of “developing the mining industry.” At the meeting, Shuikoushan lead-zinc mine and Changsha Non-ferrous Metallurgy Design Institute introduced the structural features of the equipment respectively and the trial production was passed. Participants listened carefully to the report, conducted a site visit, and conducted a lively discussion, agreeing that: