pumparound

常见例句

• The return tray can be above or below the draw tray.Note that when the pumparound return is mixed phase (liquid and vapor) that both the vapor and the liquid are returned to the same tray.
  今天看了PRO/II的参考手册;发现中段回流是可以带液体和气体两相;或是其中一相的;下面是原文摘录: Pumparounds can be used for liquid and/or vapor.
• top pumparound
  [化] 塔顶循环回流
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