黑药和镁的混合物具有离析的倾向.Mixture of black powder and magnesium have a tendency to segregate.这能离析为旋光异构体 吗 ?Can it be resolved into optical isomers?看物质能否由于沸腾和冻结而离析为组成该物质的元素.See whether the material can be separated into its element...
The people who run Lloyd's of London took a pasting yesterday.伦敦劳埃德保险社的经营者昨天受到了严厉批评。We need large quantity of natural casing waste for pasting dried casings.我们需要大量自然包装耗材来裱糊干燥的包装.The beltless machine, sometimes calle...