Roller is the key spinningapparatus, the material and precision of it influences spinning quality.
罗拉作为关键性纺专器材，其材质、精度直接影响纺纱质量。
2
The technology and apparatus for continuous preparing of the pitch and continuous filament were described. The method of concocting pitch for spinning was also introduced in the paper.
本文综述了沥青及其长丝的连续制备工艺和装置，同时还叙述了纺丝用沥青的调制。
3
The practice shows that optimizing spinning draft apparatus and configuring spinning processing reasonably can enhance yarn quality.