Fit, the fractions in different temperature ranges were ingathered by rectifying wash oil;azeotropic distillation were done with the different fractions and ethanediol respectively.
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首先精馏洗油,切取不同温度段的馏分,然后分别与共沸剂乙二醇进行共沸精馏试验;
单词 Fit, the fractions in different temperature ranges were ingathered by rectifying wash oil;azeotropic distillation were done with the different fractions and ethanediol respectively. 的词典定义。@海词词典-最好的学习型词典
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