1) high draft
大牵伸
2) long draft system;high draft system
大牵伸式
3) super high draft
超大牵伸
4) big draft in spinning section
细纱大牵伸
1.
As to the development of the optimization of cotton spinning engineering,namely,big ration,hi-speed,big package in front section,rough analysis is done to the process mechanism of big ration in front section and big draft in spinning section according to cotton carding and drafting philosophy,systematic optimization of process and the related parts and accessories.
围绕棉纺工程优化技术发展的趋势——前纺重定量、高速度、大卷装,根据棉纺梳理与牵伸原理对前纺重定量及细纱大牵伸的工艺机理进行初步分析,提出系统的工艺及相关专件、器材的优化组合。
5) high draft spinning frame
大牵伸细纱
6) high draft system
大牵伸装置
补充资料：巴登霍伊尔氏牵伸术