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pc塑料制品|化学视窗
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    前言:塑料制品PP和PC的区别?1、定义不同 PP:聚丙烯,是由丙烯聚合而制得的一种热塑性树脂。按甲基排列位置分为等规聚丙烯(isotactic polypropylene)、无...

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