英语语法分析

We briefly describes the preparing and properties of the non - plasticate melt spinning PAN fibers as well as the resin that it made from.

综述了聚丙烯腈纤维的熔融纺丝工艺，主要介绍了非增塑融纺的聚丙烯腈树脂及纤维的制备方法和性质。