The main knife-edge area is a convex strip-shaped cutting belt, and is used to cut into sheets and threads;

主刀口区是呈凸弧狭条形切割带，用于切片切丝；

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The main knife-edge area is a convex strip-shaped cutting belt, and is used to cut into sheets and threads;

主刀口区是呈凸弧狭条形切割带，用于切片切丝；

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