本发明具有转一转给纱线加上4个捻回、结构简单的特点。

It has characters of rotation-rotation yarn feeding and 4 twisting rounds, simple structure, etc.

youdao

本发明具有转一转给纱线加上4个捻回、结构简单的特点。

It has characters of rotation-rotation yarn feeding and 4 twisting rounds, simple structure, etc.

youdao