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....

formamide的音标：formamide的英式发音音标为：[fɔ:'mæmɪd]formamide的美式发音音标为：[fɔ'mæmɪd]...

n.甲酰胺...