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我矿设计年产原矿18万吨,自1970年投产以来,几经挖潜、革新、改造,目前生产能力已提高到30多万吨。23年共生产原矿323.6万吨,国家累计投资913万元,上交税利2243万元,相当于投资的2.5倍。现在我矿已进入开采后期,因接替矿山未定,省局要求限产,1981年限产18.57万吨,1982年
I mine designed annual output of 180,000 tons of ore, since its production since 1970, after several potential, innovation, transformation, the current production capacity has risen to 300,000 tons. In the past 23 years, a total of 3,236,000 tons of ore were produced, with a total investment of 9.13 million yuan and a profit of 22.43 million yuan, equivalent to 2.5 times the investment. Now I mine has entered the mining late, due to replace the mine undetermined, the provincial bureau requires limited production, limited production of 181,700 tons in 1981, 1982