甲酰胺;
Several kinds of novel extraction solvents were presented which mainly included N-formylmorpholine, dimethyl formamide, etc.
介绍了石油化工领域采用的几种优良抽提剂,包括N - 甲酰吗啉 、 二甲基甲酰胺等.
简答网 · 初中英语作文
简答网 · 中考英语
简答网 · 高考英语
简答网 · 雅思托福