deterioation

常見例句

• 3.The background for the study was that anaerobic storage of activated sludge, which often takes place at wastewater treatment plants before dewatering, cause a deterioation of the dewaterability.
  3，本研究的背景是--導致污泥脫水能力惡化的，經(jīng)常發(fā)生在污水處理廠污泥脫水前的，活性污泥的厭氧貯存。
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