PU是Polyurethane的缩写,中文名为聚氨基甲酸酯简称聚氨酯。能用于制成塑料和纤维。
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bao.com/coupon/edetail?e=ju6pSkiXQCAN%2BoQUE6FNzJ0RBDN2Q6PJZEdioU9S2azEcJvl4kI97w4CsoeCTjp11f6AvHWecrVpmuDb3I7k78KUixUTTLeu7sRUcQe1PU...
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