The tracer agent test shows that the flow pattern in the Pipe-cone Shape filter bio-bed is complete mixing.
示踪剂试验表明管锥形填料生物床的流态为完全混合式。
The results of the oxygen transfer ratio test show that the oxygen transfer ratio of pipe-cone shape filter bio-bed can increase by 33.33 %.
通过氧转移效率试验表明，管锥形填料生物床可提高33.33%的氧转移效率。
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