Based on the better understanding of collecting and doubling mechanism of rotor spinning, the rotor slub shape is deeply analyzed by changing the feed roller speed three times in one slub circle.

从转杯纺的凝聚和并合机理出发，对三次喂给罗拉速度变化情况下转杯竹节纱竹节形态进行了深入分析。

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