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1.In the course of vinylon dissolution,yarn tension should be adjusted in time,concentration of vinylon dissolving in water should be taken attention,waste water should be exhausted and new hot water should be input.
在退维时,应及时调整纱线的退维张力,并密切注意水中维纶溶解的浓度,及时排出废水,输入新的热水。收藏指正
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