phenolplasts

  • n.酚醛塑料

phenolplastsphenolplasts

phenolplasts

酚醛塑料

石油英语词汇(P3)_专业词汇_专业英语_食品伙伴网 ... phenolphthalein 酚酞 phenolplasts 酚醛塑料 phenomena phenomenon …

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