| 释义 |
fractional distillation/ˌfrækʃənl dɪstɪˈleɪʃn ||; ˌfrækʃənḷ dɪstɪlˈeʃən/noun [u] (technical术语) the process of separating the parts of a liquid mixture by heating it. as the temperature goes up, each part in turn becomes a gas, which then cools as it moves up a tube and can be collected as a liquid. 分馏 |