ʻO ka hihia o Changchun Jiutai Longjia ʻino wai ʻino

Ma Changchun Jiutai Longjia Sewage Plant, hoʻohana ʻia nā mea kani e like me kā mākou ultrasonic level gauge e ana i ka pae wai o ka pahu hoʻoponopono a me ka pahu hana ahi.