Spun polyester yarn for sewing Thread,Count :RT 40/2 and 50/2 Cou_语文解答

Spun polyester yarn for sewing Thread,Count :RT 40/2 and 50/2 Count :TFO 20/2,20/3,20/4
求翻译,TFO该怎么理解,是2加1,还是并线,还是倍捻纱,

人气：335 ℃　时间：2020-06-13 22:14:47

解答

用涤纶纱编织:
涤纶/粘胶 40/2 50/2混纺
20/2,20/3,20/4 并线
不知道是不是这么织