| 词汇 | fractional distillation |
| 释义 | fractional distillationBrE /ˌfrækʃənl dɪstɪˈleɪʃn/ NAmE /ˌfrækʃənl dɪstɪˈleɪʃn/ noun [U ] (chemistry化学) 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 |
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