三段一闭路破碎 Three stage crushing with single closed circuit stage
三段破碎
Three-stage crushing
以上为机器翻译结果，长、整句建议使用 人工翻译 。
利用磁滑轮串联干选，第一道磁滑轮干选保抛尾8％-10％、第二道磁滑轮干选保回收率大于98％，将改造后干选设备和工艺嵌入现有的三段一闭路破碎筛分工序中。
Magnetic pulleys are used in series for dry separation, with the first pass dry separation to ensure a 8%-10% tailings discarding and the second pass to ensure an over 98% recovery.
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