Mu ruganda rw’imyanda rwa Changchun Jiutai Longjia, ibikoresho nkibipimo byurwego rwa ultrasonic bikoreshwa mugupima urwego rwamazi yikigega kigenzura hamwe n’ikigega gitanga umuriro.
Mu ruganda rw’imyanda rwa Changchun Jiutai Longjia, ibikoresho nkibipimo byurwego rwa ultrasonic bikoreshwa mugupima urwego rwamazi yikigega kigenzura hamwe n’ikigega gitanga umuriro.