又称股线。是由两根或两根以上的单纱捻合而成的线。
这些简单的分析只适合于由两根单纱合股成的纱线。
合股花式线由下述纱线组成：芯纱或基础纱，饰纱，还有固结纱。
Complex ply yarns are usually composed of the following: a base or core, an effect, and a tie or binder.
这些纱条的直径可以进一步减小，然后经过加捻、合股，采用与其它纤维材料加工类似的工艺，制成不同规格的纱线。
These slivers can be further reduced in diameter and then twisted and plied in yarns of various sizes using textile machinery and processes similar to those employed for other staple materials.
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