湖南有色金属矿山推广使用机械化作业线,是从1973年开始的。几年来,在冶金部和湖南省委的领导下,我们依靠并发动群众,自力更生,艰苦奋斗,因地制宜,对矿山机械化作业线设备不断改进、完善和配套。现14个重点有色金属矿山已共有机械化作业线设备一千多台,基本配成各种形式的机械化作业线43条,其中平巷29条,天井14条,组建了27个机械化作业线掘进队。到1979年9月止,累计完成进尺61033米;部分作业线 Hunan non-ferrous metal mines to promote the use of mechanized operation line, is from 1973 onwards. Over the past few years, under the leadership of the Ministry of Metallurgy and the Hunan Provincial Party Committee, we rely on and mobilize the masses to work hard and make efforts to meet the local conditions and continuously improve, perfect and complement mine mechanization line equipment. Now 14 key non-ferrous metal mines have a total of more than 1,000 sets of mechanized operation equipment, which are basically equipped with 43 mechanized operation lines of various forms, of which 29 are beveled and 14 are patios, and 27 mechanized operation line construction teams . By September 1979, a total of 61,033 meters of footage was completed; part of the operation line