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.
这种结构倾向于朝向该鼻凸吸取挥发性空气处理化学品，对该区域进行加热可引起有效且可再装填的散发。
This structure tends to wick the volatile air treatment chemical towards the nose, and heating that area can lead to efficient, and rechargeable, dispensing.
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