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资3 15 1317。14”35 38 42 43 106 3 60 3 14 19 55 8 1014邓j一j上2 2 3 38 3 3 3 3 8 44 5 5 5 5 6 6 66 题目 ·综合·依靠科学技术大力发展选煤以适应国民经济的需要选煤厂数量效率的计算用龙贝格积分法求产品分配率以选煤为主导发展煤矿资源综合利用东北煤矿选煤事业的四
Capital 3 15 1317.14 "35 38 42 43 106 3 60 3 14 19 55 8 1014 Deng j a j on 2 2 3 38 3 3 3 3 8 44 5 5 5 5 6 6 66 Title · Comprehensive · rely on science and technology vigorously Development of coal preparation to meet the needs of the national economy Coal preparation plant efficiency of the number of calculations with the use of Rombberg integral method for product distribution rate to coal-based development of coal resources Comprehensive utilization of Northeast coal preparation coal four