1) two zone draft system
双区牵伸系统
2) two-zone drawing system
双区拉伸体系;双区牵伸系统
3) double draft
双区牵伸
4) 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。
5) two-zone high drafting
双区大牵伸
6) long draft system
大牵伸系统
补充资料：巴登霍伊尔氏牵伸术