Nylon yarn is stretchy, it is pulled very tightly when weaving nets, wire side is also of tension, it will shrink after a period of time, thus resulting in length deficiency.

• 尼龙丝是有弹性的；在织网的时候被拉的很紧；网面也有张力；等放置一段时间后它会收缩；所以造成了长度不足.