分析了细纱牵伸过程中影响牵伸力的因素，上胶圈张力状态与成纱质量的关系。
Influence factor on draft force in spinning draft and relation of top apron tension & yarn quality is analyzed.
而适当控制牵伸过程中的张力和湿度的大小，可以提高纤维的力学性能。
The proper control of the drawing tension and humidity can increase the fiber mechanical properties.
而适当控制牵伸过程中的张力和湿度的大小，可以提高纤维的力学性能。
The proper control of the drawing tension and humidity can increase the fiber mechanical properties.
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