国产精品无码MV在线观看_2020国产精品永久在线观看_国产精品特级毛片一区二区三区_久久99热这里只有精品国产

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.