卷曲半径;
After heat-moisture treatment, crimp radius decreased while crimps per unit length increased significantly and three-dimensional crimp shape became obviously.
经过湿热处理后,PTT/PET并列复合短纤单位长度内的卷曲数大幅度增加,卷曲半径减小,三维卷曲形态更加明显。
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