Sinomeasure ifunguye imiyoboro ya metero na metero ya ultrasonic ikoreshwa mu ruganda rutunganya imyanda mu mujyi wa Leshan, mu Ntara ya Sichuan, yose ikoresha ikoranabuhanga rya AAO (Anaerobic Anoxic Oxic).
Inzira ya Anaerobic / Anoxic / Oxic (A / A / O) ikoreshwa cyane mubihingwa bitunganya amazi y’amazi yo muri komine, ibyo bikaba biterwa no gutunganya neza intungamubiri.
