【摘要】 金属矿产资源在国民经济和社会发展中占有非常重要的地位。但是 ,由于开采工艺、开采技术参数的局限 ,会造成资源的浪费。文中介绍了液压反铲开采工艺在孝义铝矿的应用情况 ,该开采工艺对形态复杂的矿体回采十分有效 ,能大幅度降低贫化和损失更多还原

【Abstract】 Metallic ore resource plays an important role in national economy and social development.Because of the conditions in mining technology and mining parameters, there is a waste in the resource.The technique of mining with backhoe shovels, which has been applied in Xiaoyi Bauxite Mine, is effective in mining complex ores, and greatly reduces the depletion and lost of ores.更多还原