91啦丨九色丨蚪窝人妻,欧美老妇乱熟,欧美成人一品,国产伦精品一区二区三区视频色欲

The project is the first demonstration project for rural domestic sewage treatment in Hainan Province. At the beginning of the project, the project team fully considered the local customs and cultural adaptability, painted the pattern of the Daguangba Reservoir on the front side of the integrated equipment, and the pattern of cervus eldii, a local endangered species, on the rear side, the totem of Titan of Li nationality on both ends; therefore, the project was emotionally recognized by the local villagers. The project has put an end to the dirty, disorderly and bad environment represented by foul-smelling sewage and rampant mosquitos and flies, greatly improving the living conditions.