论文部分内容阅读
Raw cotton harmful defects and impurities including cotton rope wire, cotton knot, infertility seed and chemical fiber, hair, plastic rope, hemp, silk and so on, they directly affected the cotton textile rear process, reduced the quality of semi-finished products and finished products such as cotton yarns and grey cloth, and then affected the export of China cottons, which result in great loss in both economy and non-economy.