| 摘要 |
A roller-type reducing apparatus comprising reducing rollers mounted within a housing for rotation in opposite directions. The reducing rollers comprise a plurality of reducing discs having different diameters and placed in a side-by-side relationship. There are provided reducing discs with fine serrations and reducing discs with coarse serrations, with comminuting discs with fine serrations having a diameter smaller than that of reducing discs with coarse serrations.
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