1) long draft system
大牵伸系统
2) drafting system
牵伸系统
1.
Based on some experiments, the mechanism of these key factors in the drafting system on yarn quality is analyzed.
针对细纱机Ⅴ型牵伸系统中后区曲线牵伸型式、前区隔距等影响成纱条干质量的关键因素作了有关实验和分析,探讨了其影响成纱质量的机理。
3) two zone draft system
双区牵伸系统
4) high draft
大牵伸
5) long draft system;high draft system
大牵伸式
6) super high draft
超大牵伸
补充资料：巴登霍伊尔氏牵伸术