Relation among feeding roving gauge, twist factor and yarn property were researched, property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested.
研究了喂入粗纱间距、捻系数与成纱性能的关系，测试分析了聚丙烯腈预氧化纤维涤纶长丝包芯纱的性能。
2
In this paper, we analysed the yarn position when novelty yarn was knitted in flat knitting machine, then discussed how to select the suitable gauge according to the structure of novelty yarn.
在此基础上，按花式纱线的结构分三种情况讨论了选取合适的横机机号的依据。
3
Because of the unusually high degree of quality and the accuracy of gauge, the Boye size is called the us Standard and is used by yarn companies in making their patterns.