The machine adopts steam preheating, preshrinking, drying design, make , the prepolycondensation cloth softer and smooth.
本机采用蒸汽预热、预缩、烘干设计，使预缩过的布料更加柔和、平整。
All center preshrinking function heat effect of all the material, make the temperature more uniform and efficient, fabric shape a better effect.
所有中心预缩功能全部采用高热效应材料制作，使其温度更加均匀高效，布料定型效果更佳。
Furthermore, the effect of preshrinking, pre-setting and de-weighting in de-weighting process of hard-twisted PET woven fabrics was investigated especially.
并着重研究了预缩、预定形和减量工序在涤纶机织物强捻产品减量过程中所起的作用。
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