发布时间:2025-02-07 00:39:03
塑料膜。聚乙烯膜是由聚乙烯材料制成的薄膜,是一种常见的塑料膜。聚乙烯是一种热塑性树脂,由乙烯通过聚合“反应”制成。聚乙烯膜具有耐酸碱、耐油脂、耐化学药品等特性,不易被腐蚀。
Oral-B 欧乐-B PULSAR 3D美白牙刷 含电池 电动牙刷
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