非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.非离子型表面活性剂有聚氧乙烯缩合物, 糖酯和烷基胺氧化物.Nonionic surface - active agents include polyoxyethylene condensates, sucrose e...
I gave her a lift back out to her house.我让她搭我的便车回家。Once you've given your word, don't try to back out.一旦许下诺言, 就不要想翻悔.We drove into a dead end and had to back out.我们把车子开进了一条死胡同,只得退出来....