平整的织物需要使用不卷缩的纱线, 而对于绉织物和要求产生某些花式效应时, 使用卷缩纱线是较合适的.Smooth fabrics require balanced yarns, but for crepe and textured effects, unbalanced yarns are desirable....

“卷缩的”的英语可以翻译为：[医]curled，curly，crinkly ...