DAF treated

来源: biglow 于 2011-07-15 14:40:45 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (216 bytes)

Dissolved air floatation treated water.  Has high dissolved air trapped.  When you get it, the pressure water released and the trapped air formed bubble and rises.  Just like open a soda bottle.

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