合理利用煤炭资源 ,促进煤炭工业可持续发展。通过对煤炭企业的“三率”(开采回采率、采矿贫化率、选矿回收率 )的管理与监督 ,取得了明显的经济效益。文中论证了“三率”不仅是技术、资源利用、企业管理水平的重要指标 ,也直接关系着企业的经济效益 Rational use of coal resources to promote the sustainable development of the coal industry. Through the management and supervision of coal companies’ “three rates” (recovery rate, mining depletion rate, ore recovery rate), significant economic benefits have been achieved. The paper argues that “triple rate” is not only an important indicator of the level of technology, resource utilization, and enterprise management, but also directly affects the economic efficiency of enterprises.