压花凹槽，切割肉和水果时可汇集汁液。
Milled groove; collects meat and fruit juices while cutting.
压花刀具与多个圆盘刀同轴设置，且用以在条状导电胶膜上的异方性导电胶层形成多条凹槽。
The knurling tool is arranged around the same axis with the cutter disks and used for forming a plurality of grooves on the anisotropic conductive film of the strip-shaped conductive films.
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