系统优势：熔体经两级过滤，能更有效的去除聚合物中的杂质和凝胶粒子，提高产品品质，最大限度的延长纺丝组件的更换周期。

• Advantages: filter the impurities and gel grains from the melt; improve the product quality, and elongate the replacement duration of the spinning components.