例句 /

The paper introduces development and utilization status of phosphate ore resources in Wengfu phosphate ore distract, which contents including resources occur status, mining technique, beneficiation process and its modification and resources utilization pl

The paper introduces development and utilization status of phosphate ore resources in Wengfu phosphate ore distract, which contents including resources occur status, mining technique, beneficiation process and its modification and resources utilization pl

摘要介绍了甕福磷矿区资源现状、开发技术条件、开采技术特点、选矿工艺及在生产实践中对选矿工艺改进调整后在资源利用重新规划方面的重大意义,及矿山的发展前景。