The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物
理论和化学反应动力学，研究了硝酸酯基聚醚聚氨酯老化降解过
。
The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物理论和化学反应动力学，研究了硝酸酯基聚醚聚氨酯老化降解过。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工
，
表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
