In spinning process, rubber-covered roll, ring and collector should be selected rationally, hairiness and yarn defects should be controlled, finally yarn quality could reach using demands.

细纱工序合理选用胶辊、钢丝圈和集合器，控制毛羽和减少纱疵，最终使纺纱质量指标满足了使用要求。

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In the process of spinning spun yarn, the improvement of yarn quality depends on proper rubber-covered roll, roller without mechanical wave, new type under-pin and ring.

在细纱工序中，采用合适硬度的胶辊、无机械波罗拉、新型下销与钢领，能快速、全面提高成纱质量。

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In the process of spinning spun yarn, the improvement of yarn quality depends on proper rubber-covered roll, roller without mechanical wave, new type under-pin and ring.

在细纱工序中，采用合适硬度的胶辊、无机械波罗拉、新型下销与钢领，能快速、全面提高成纱质量。

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