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["【求助问题】폴리에틸렌올의 공정 설계 계산 및 CAD 도면(학부 설계에 사용)"),"😀환영합니다. � 积极讨论,给大家添麻烦了。","이산화탄소法制聚乙烯醇是石灰石→电石→乙炔→合成醋酸乙烯→醋酸乙烯精馏→醋酸乙烯聚合→醇解生成聚乙烯醇→溶剂回收,一个系统工程,不是一两个人能做的。"]

2020-04-13View Original

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:lol欢迎大家积极探讨,麻烦各位川友啦。
Reply #22020-04-20
乙炔法聚乙烯醇是石灰石→电石→乙炔→合成醋酸乙烯→醋酸乙烯精馏→醋酸乙烯聚合→醇解生成聚乙烯醇→溶剂回收,一个系统工程,不是一两个人能做的。

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