楼主: 江南飘雪
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一堆橡皮筋怎样可以自动分离成一根一根的 |
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点评
1.用叉子叉,叉子间距大于防松状态下的皮筋直径;
2.叉子水平放置,振动,使皮筋散开(类似于晒挂面);
3.带外齿的圆片转动分离皮筋;
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