| 摘要 |
There is described a rotary knife for use in a cutting apparatus. The rotary knife comprises a central hub, first and second sides of the knife, a plurality of arms, and a plurality of blades. The central hub defines an axis of rotation of the knife. The first and second sides of the knife are spaced apart in the axial direction. The plurality of arms extend outwardly from the hub. The plurality of blades are carried by the arms such that a number of blades disposed on the second side of the knife is greater than a number of blades disposed on the first side of the knife. There is also described a cutting apparatus comprising a rotary knife as described above.
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