Core spun yarn is produced by covering an elastic, rigid or semi-rigid filament with a natural, artificial or synthetic textile fibre.
在弹性、刚性或半刚性纤丝上覆盖一层天然、人工或合成纤维，就可以生产出包芯纱。
This invention discloses a technology for producing polyamide core wrapped weft yarn which is composed of long polyamide fibre and natural cotton fibre.
本发明公开了一种由锦纶长丝和天然棉花纤维组成的锦棉包芯纬纱及其生产该纱的工艺。
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