Figure 1

Input–output process of wastewater treatment between YRB and NYRB*. *The figure is created by the software of Adobe Illustrator (2020). https://www.adobe.com/cn/products/illustrator.html.

Input–output process of wastewater treatment between YRB and NYRB*. *The figure is created by the software of Adobe Illustrator (2020). https://www.adobe.com/cn/products/illustrator.html.