 |
| Chinese | English |
| 凯森纳循环旋转刷 | Kessener revolving brush (活性污泥中用以维持循环和供氧的圆筒形金属刷) |
| 凯森纳转刷曝气 | Kessener brush aeration |
| 凯森纳转刷曝气器 | Kessener brush aerator |
| 安科纳图拉真凯旋门 | Arch of TRajan at Ancona (意大利) |
|
| Chinese | English |
| 凯森纳循环旋转刷 | Kessener revolving brush (活性污泥中用以维持循环和供氧的圆筒形金属刷) |
| 凯森纳转刷曝气 | Kessener brush aeration |
| 凯森纳转刷曝气器 | Kessener brush aerator |
| 安科纳图拉真凯旋门 | Arch of TRajan at Ancona (意大利) |