自由端纺纱(open-end spinning) 是指 把纤维松解成单纤维，再使单纤维凝聚，在一端呈自由状态下加拈成纱的纺纱方法。因喂入的纤维条与加拈的纱之间是不连续的，所以又称断裂纺纱。
根据自由端纺纱厂协会，本月废棉价格飙升至每公斤78卢比。
According to the Open End Spinning Mills' Association, the price of waste cotton has shot up to Rs 78 per kg this month.
自由端纺纱厂计划本月底停止生产，因为废棉的价格有所增加，这是自由端纺纱厂的主要原料。
The open end spinning mills plan to stop production from the end of this month with increase in prices of waste cotton, which is the main raw material for open end spinning mills.
在这一部分中则将利用上述基本方程和结论，分析一些典型理想加捻过程，包括加捻的过渡过程以及传统纺纱和自由端纺纱的稳态加捻问题。
In this part, the equations are applied to solve a series of typical twisting problems, including the transient and steady state solutions for conventional and open-end spinning systems.
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