黄色一级视频-国产视频一区二区-99精品视频在线观看-免费国产羞羞网站视频-亚洲激情小说在线,日韩无码国产综合,99热国产这里只有精品9,91免费 无码 国产

Municipal and highway engineering
Yuhe bridge, lechuan street, Weifang City
Yuhe bridge, lechuan street, Weifang City, is an urban bridge across Yuhe River, with a span of 4 × 22m, reinforced concrete bored pile foundation, high prestressed concrete continuous box girder, the total width of the bridge deck is 27m, the whole bridge is divided into North and south two designs, each of which is 13.5m wide, with a cross section of 3M sidewalk + 21m motorway + 3M sidewalk, asphalt concrete motorway, sidewalk Granite fire plate shall be paved, stainless steel railings shall be installed around the bridge body, and real stone paint shall be sprayed on both sides of the periphery. 2015 Weifang Municipal gold cup demonstration project.