| 单词 | rectifying column |
| 释义 | rectifying column [`rek·tǝ´fī·iŋ ´käl·ǝm] CHEMICAL ENGINEERING Portion of a distillation column above the feed tray in which rising vapor is enriched by interaction with a countercurrent falling stream of condensed vapor; contrasted to the stripping column section below the column feed tray. |
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