单词 | fractional distillation |
释义 | fractional distillation [ˌfræk.ʃən.əl.dɪs.tɪ'leɪ.ʃən] noun uncountable specialized ■the chemical process of separating different substances that have different boiling points by heating a liquid mixture until it turns into gas and then cooling and collecting each substance separately 分馏(化学过程,将液体混合物加热,使其中沸点不同的各个物质气化,再分别冷却收集,从而分离各个成分) |
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