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长期以来,人们认为应当采用闭路破碎降低被破碎物料的粒度。实际试验表明,在细破碎机闭路工作时物料在料层中破碎过程的耗电量要比细破碎机在正常操作条件下按
For a long time, people think that closed-circuit crushing should be adopted to reduce the granularity of the crushed material. The actual test shows that when the fine crusher closed circuit work material in the material layer crushing process than the fine crusher in normal operating conditions