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The preparation of catalysts , yield of glyceryl triacetate and and demerits the catalysts were introduced briefly.
对上述催化剂制备、三醋酸甘油酯收率、催化剂优缺点作简要介绍.
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英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。