研究了原纱和织物上拆解下来的高中低支纬纱的诸如断裂强力、强度、伸长和断裂功等性能。
In gray yarn and unraveled weft yarn from fabric, yarn properties such as breaking force, tenacity, elongation and breaking work are studied with weft breaks of coarse, medium and fine count yarns.
利用并捻法将性能各不相同的几种长丝纱组合起来，研究并捻捻度和超喂对异组分并捻丝强度和伸长的影响。
Several filaments with different properties are combined together by the methods of doubling and twisting. And the effects of twist and over feed on the filament's strength and elongation are studied.
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