Backwashing is one of the methods to maintain a filter bed clean.
反冲洗是保持滤床清洁的方法之一。
Impact of backwashing on biomass growth in biological active filter was researched.
研究了反冲洗对生物活性滤池生物量的影响。
This example showed that the air-water backwashing system applied in the siphon filter is practicable and effective, with a good treatment and economic results.
实例表明，虹吸滤池运用气水反冲系统是可行、有效的，具有较好的处理效果和经济实用性。
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