试验结果表明，两级曝气生物滤池对生活污水具有良好的净化性能。

The experimental results show that the performance of two-stage BAF for sewage treatment is excellent.

youdao

试验结果表明，两级曝气生物滤池对生活污水具有良好的净化性能。

The experimental results show that the performance of two-stage BAF for sewage treatment is excellent.

youdao