1) R2V Draft

R2V型牵伸
2) draft form

牵伸型式
3) V-draft

V型牵伸
4) drafting system VC

VC型牵伸
5) draft arrangement SKF

SKF型牵伸
6) draft arrangement HP

HP型牵伸
补充资料:巴登霍伊尔氏牵伸术