foamed polystyrene的意思|示意
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英 / /
foamed polystyrene相关例句
Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.
本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取.
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