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从加工和使用过程中纤维聚集态中分子链构象的有序化转变，研究聚对苯二甲酸丙二醇酯（ PTT）纤维的弹性回复机理。
The elasticity recovering mechanism of PTT fibers was studied through the ordering transformation of molecular chain conformation in aggregation of fibers in the course of processing and using.
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