1、
Two side's setting screw can optional determine the pulling height of rounded edge.
拔刀器两侧定位螺钉可随意确定刀线的拔出高度.
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2、
3、
It has rounded shoulders inside instead of the sharp orifice-like edge.
在内部作成圆形凸肩以代替锐缘孔板 状 的侧面.
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