求翻译：涤纶，又名聚酯纤维，是合成纤维中的一个重要品种。它是以精对苯二甲酸（PTA）或对苯二甲酸二甲酯（DMT）和乙二醇（EG）为原料经酯化或酯交换和缩聚反应而制得的成纤高聚物——聚对苯二甲酸乙二醇酯（PET），经纺丝和后处理制成的纤维。是什么意思？

Polyester, also known as polyester fiber, a synthetic fiber varieties. It is based on purified terephthalic acid (pta) or dimethyl terephthalate (dmt) and ethylene glycol (eg) fiber-forming polymer raw esterification or transesterification and polycondensation obtained - - polyethylene terephthalate

Dacron polyester fiber, also known in the synthetic fiber, is an important species. It is a pure 2formic acid (PTA) or 2 to 2 formic acid methyl ester (DMT Isopropyl alcohol) and (b) 2 (EG) as a raw material by the ester, or PUR-exchange and 缩聚 response of a system has a high spot - to bring togethe

The polyester fiber, other name polyester fiber, is in a synthetic fiber important variety.But it is as raw material responds take fine dicarboxylic acid (PTA) either dicarboxylic acid dimethyl ester (DMT) and glycol (EG) after the esterification or the ester exchange and the condensation makes resu

Polyester, polyester fiber, also known as, is an important variety of synthetic fibers. It is based on purified Terephthalic acid (PTA) or dimethyl Terephthalic acid (DMT) and ethylene glycol (EG) as raw material by the esterification and Transesterification and polycondensation and fiber-forming po

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