Grinding test results showed that mill cap acity and grinding efficiency of cast iron segment could be really superior to s teel ball no matter whether mono-size medium or mixed size media.

• 试验结果表明,无论在单一尺寸介质作用下,还是在混合介质组的作用下,铸铁段的磨矿效果和生产能力均优于钢球。