Ikibazo cya Changchun Jiutai Longjia Uruganda rutunganya amazi

Muri Changchun Jiutai Longjia Sewage, ibikoresho nkibipimo byurwego rwa ultrasonic bikoreshwa mugupima urwego rwamazi yikigega kigenzura hamwe nigikoresho cyo kuzimya umuriro.