As the temperature drops, one metal changes its length more than the other one - resulting in a "curl" in the fiber.

当温度下降的时候，其中一根金属丝的长度发生改变——引起纤维蜷缩。

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This paper introduced the basic principle of air vortex spinning and laid stresses on curl flow field in the air vortex twister, and the collecting and taking off of link fiber in air vortex spinning.

介绍了涡流纺纱的基本原理，对涡流加拈器中旋转流场的形成、纤维环的凝聚与剥取做了重点阐述。

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