Yesterday went to the Yellow River Beach Park to play, a little boy of about ten years old went to the river to play, accidentally two feet fell into the mud, attracted everyone to go to watch, and then with the help of his father and others,
author:Guo Ge self-media
Yesterday, when I went to the Yellow River Beach Park to play, a little boy of about ten years old went to the river to play, accidentally sunk his feet into the mud, attracting everyone to go to watch, and then with the help of his father and others, he got out of danger.
On October 30, the largest cement kiln collaborative disposal sludge project in China was officially completed and put into operation in the Donghai Debao Cement Plant in Jidong County, Jingyang County. The project is the city's "global water control and clear water rejuvenation city" heavy ...
Activated sludge suppression test, in fact, everyone rarely tracks and rarely does it, mainly because this experiment is not easy to do, sometimes the actual and experimental difference is still very large, I...