dibutyl amine英美网络 二丁胺机械双语例句The copolymer after acetylation and phosphonylation can react with dibutyl amine to yield the corresponding dibutylamidophosphate resin.经乙酰化,膦化反应后的共聚体可以与二正丁胺作用制得膦酰胺树脂。