| 单词 | activated sludge |
| 释义 | activated sludgenouna mass of aerated precipitated sewage added to untreated sewage to bring about purification by hastening decomposition by microorganisms Words nearby activated sludgeactivated alumina, activated carbon, activated charcoal, activated mine, activated resin, activated sludge, activation analysis, activation energy, activator, active, active anaphylaxis Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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