求翻译：煮练的作用是去除大部分的天然杂质和残留的浆料，精炼提纯纤维素，从而改进织物的外观，提高织物的吸湿性能，以利于印染后加工是什么意思？

Scouring to remove most of the natural impurities and residual slurry refining purification of cellulose, thus improving the appearance of the fabric and improve the fabric moisture absorption, in order to facilitate printing and dyeing processing

Cooking is able to remove the role most of the natural impurities and residual amounts of cellulose pulp separators, refined, and thereby improve refine the fabric of the exterior fabric, and hygroscopic properties can be improved, in order to facilitate printing and dyeing, processing

Boils the function which practices is removes the majority of natural impurities and the residual pulp, the fining depuration cellulose, thus the improvement fabric outward appearance, enhances the fabric the moisture absorption performance, favors the printing postprocessing

Scouring effect is to remove most of the natural impurities and residues of pulp, cellulose refining and purification, so as to improve the appearance of fabric, improving the moisture absorption of the fabric, to the benefit of printing and dyeing processing

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