reflux cooler 回流冷却器
reflux cooler digestion 冷凝回流消解
Adding intermediate reflux and cooler and using packed column replaced plate column are suggested. The effect is evident in practice.
对总厂汽油分离塔提出增建中段外回流取热和将板式塔改为填料塔的建议，经实施后效果明显。
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