... 填充塔；填充柱 column; packed 层板塔；层板柱 column; perforated plate 脉动塔；脉动柱 column; pulse ...
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蒸气上升并直接通过塔板上的液层。
Vapour passes straight upward through the liquid on the plate.
蒸气中挥发性较小的部分在通过板上液体的鼓泡中冷凝下来，流至下一层塔板，最终回到再沸器。
The less volatile portions of vapor condense in bubbling through the liquid on the plate, overflow to the next lower plate, and ultimately back into the reboiler.
上升气流穿过塔板上液层时，将板上液体带入上层塔板的现象称雾沫夹带。
The liquid drops on the tray is brought into the upper plate and the plate enrichment is decreased.
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