| 1. | Damaged surface in the top roller cots
上罗拉（皮辊）表面破损。 |
| 2. | Variation in top roller diameter
上罗拉直径变异大。 |
| 3. | Spinning preparatory and spinning machinery . covering of top rollers . rubbercot
前纺和细纱机械上罗拉包覆物胶管 |
| 4. | Wrong settings , improper roller coverings , eccentric top and bottom rollers
工艺错误、皮辊（上罗拉）不合适、上罗拉和下罗拉偏心。 |
| 5. | Improper pressure on top rollers due to defective parts or defect in weighing systems
由于零件有缺陷或称重系统的缺陷，导致上罗拉受力不合适。 |
| 6. | Textile machinery and accessories - spinning preparatory and machinery - main dimensions of coverings for top rollers
纺织机械和附件.纺前预处理机械和纺纱机械.上罗拉的 |
| 7. | The center distance of the roller on the cradle draft assemble greatly affects the yarn eveness , hairiness and ends breakage
摘要牵伸装置上罗拉的中心距及其定位对成纱的条干不匀率、毛羽、断头都有较大影响。 |
| 8. | The article introduces the calculation equation of how the gauge sets up and calculates the roller center distance which is of guiding signification to cotton mills and cradle manufacturers
文章介绍了摇架上罗拉隔距规设定隔距的计算公式的推导过程，对棉纺厂、摇架制造厂具有指导意义。 |
