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通过大理选择超细旦丝的欠伸比、热箱温度、交络压力等变形工艺，控制合适的假捻张力和卷绕张力，可以制得质量优异的超细旦变形丝。
Through the selection of ultra-fine denier Dali stretch ratio, the hot box temperature, pressure and other deformation process, to control the appropriate false twisting tension and winding tension, can be made of high quality superfine denier filament.