国产亚洲精品俞拍视频 国产自啪精品视频 99精品

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精对苯二甲酸

发布时间:2017-04-01 14:35 发布人员:admin ?点击量:



产品简介

   精对苯二甲酸(简称PTA)为白色针状结晶或粉末,是生产聚酯切片、长短涤纶纤维等化纤产品和其它重要化工产品的原料。其主要用途是:是生产聚酯纤维(涤纶)、聚酯薄膜和聚酯瓶,广泛用于与化学纤维、轻工、电子、建筑等国民经济各个方面,与人们生活水平的高低密切相关。



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国产亚洲精品俞拍视频 国产自啪精品视频 99精品

品牌简介

国产亚洲精品俞拍视频 国产自啪精品视频 99精品