| 改进型底曝氧化沟技术研究 | 
| 张琦,周远涛,郭佳伟,马杰,赵梁,杨勇 | 
| Research on modified bottom exposure oxidation ditch technology | 
| Qi ZHANG,Yuantao ZHOU,Jiawei GUO,Jie MA,Liang ZHAO,Yong YANG | 
| 图4 加MBBR后2种运行模式下出水水质对比 under two operation modes after installing MBBR | 
| Fig.4 Comparison of effluent water quality | 
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