The cutting edge roundness can make chip curling radii larger.
切削刃钝圆一般能使切屑卷曲半径增大。
At the bottom are curling waves and above there are nine dragons playing in the clouds. Around the edge are interlocking lotus flowers.
在底部是翻卷的波浪,在上面是九条龙在天空中嬉戏,周围边缘用荷花联接。
Pre-spreading part and centering device are optional parts, suit for edge curling fabrics.
可选装预扩幅、归中等部件,适用于卷边的织物。
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