本文通过分析推导，找出了罗拉扭振纱疵的特征方程，并就其波谱图、曲线图、布面外观特征进行了研究。

Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.

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测试结果表明，加装阻扭件的转杯纱可以适当改善转杯纺的加捻效果，进而适当提高了转杯纱的成纱强力。

It shows that rotor spinning yarn with resistance torque element could improve the twisting effect in rotor spinning yarn, and further improve its strength.

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通过在传统环锭纺细纱机上加装纺纱附件，研制出一种生产低扭矩纱（扭妥TM 纱）的新型纺纱方法。

Put a attachment on conventional ring spinning frame, a lower torsion moment yarn (Nu-Torque TM yarn) was produced by this new spinning method.

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