| 摘要 |
Spiny pads are centrifugally propelled in a spiralling-outward pathway by a plurality of fingers that swing around a cylindrical chamber from a concentric shaft. The interior surface of the chamber is partially lined with spine shearers such as a rasp, so that the pads scrape against the rasp and thereby are despined. Spine pieces leave the chamber through small perforations in the chamber wall.
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