ply twist

基本解释

Hard twist ply yarn is a simple and effective type of yarn for weaving heavy silk crepe.
强捻股线是制织真丝重绉的一种简便有效的线型。
Two-ply refers to materials that twist two threads together into a single thread, thus increasing the fabric's thread count and creating a stronger thread.
两层材料，是指两个线程一起扭成一个单一线程，从而增加了织物的线程数和创造一个更强有力的线程。
Due to the twisting force moment that existing in two fibre strands of SIRO spinning. So small amount of twist was produced that the structure of strands likes ply yarn was formed.
指出赛络纺两股须条上产生少量捻度是由于其上有扭矩存在，形成了纱条类似股线的结构。