diffused air aeration 空气扩散曝气 ; 扩散空气曝气 ; 扩散掺气

diffused air supply 扩散式空气补充

diffused air device 扩散空气装置

diffused air aeration equipment 鼓风曝气装置

diffused air tank 扩散空气槽

diffused air plate 空气扩散板

air-diffused device 空气扩散装置