“乙烯”造句

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 esters and alkyl amine oxides.

乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.
Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.

• #乙烯