聚乙基苯polyethylen: 聚乙烯polyethylation: 多惭基代反应polyethylen developing tray: 塑料显影盘polyethylacrylate: 聚丙烯酸乙酯polyethylenamine: 聚乙烯胺下载手机词典可随时随地查词查翻译
