论文部分内容阅读
讨论了选择两段砾磨优于常规磨矿方法的理由。第一个砾磨系统于1969年10月投产。该砾磨系统的操作改进和工程扩建于1971年3月完成。
The reasons for selecting two sections of gravel than conventional grinding methods are discussed. The first pebble mill system was put into operation in October 1969. The operation of the gravel system improvements and expansion project completed in March 1971.