国产免费一区二区,91久久精品一区,约操极品,欧美成欧美va,国产视频六区,国产永久av,五月天堂色

In the second bid section of the comprehensive regulation project for the upper reaches of zhangmian River and Baisha River in Weifang City, the project starts from Jinshan street in the south to Baotong street in the north, and connects with the botanical garden, with a total length of about 2.1km. The domestic construction waste on both sides of the river channel is 145000m3, the sludge in the river channel is 160000m3, and the terrain is shaped by 130000m 2. The project includes sewage pipeline, sewage well, rubble dam, landscape garden road, asphalt pavement, curbstone A pebble dry stream, bluestone slab, wooden plank road and landscape bridge. 2016 Shandong municipal gold cup demonstration project.