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...
一些不法青年结成一伙,使这个地区陷于恐怖.A number of unruly youths ganged up and terrorized the district.一些不法青年结成一伙,使这个地区充满恐怖.A number of unruly youth ganged up and terrorized the district.该公司因其不法交易而臭名昭著。The company was notorious for shady ...