| 摘要 |
A cutter assembly, comprising a first cutting member having a first cutting edge, a second cutting member having a second cutting edge, wherein the first and the second cutting edges are disposed in space relative to one another, and a means for biasing the first and second cutting members toward one another to cause a point of cutting contact between the first and the second cutting edges, where the point of cutting contact moves along the first and the second cutting edges over time.
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