culvert

• 3d modeling simulation and pressing optimization of pipe culverts under effect of road roller
  公路涵管填土碾压的三维仿真与碾压优化
• Twin box culvert
  双盒形暗渠
• Application of multi element composite ground in groundwork processing of drainage culvert
  多元复合地基法在排水箱涵地基处理中的应用
• Standard specification for nonreinforced concrete sewer , storm drain , and culvert pipe
  无钢筋混凝土下水道暴雨下水道和涵管的标准规范
• The term highway includes its highway subgrade pavement , bridges , culverts and tunnels
  公路包括公路的路基、路面、桥梁、涵洞、隧道。
• Code for design of highway reinforced concrete and prestressed concrete bridges and culverts
  公路钢筋混凝土及预应力混凝土桥涵设计规范
• Standard specification for reinforced concrete arch culvert , storm drain , and sewer pipe
  钢筋混凝土制拱形排水管雨水管和污水管的标准规范
• Standard specification for reinforced concrete d - load culvert , storm drain , and sewer pipe
  钢筋混凝土d型承重涵管雨水管和污水管的标准规范
• Standard specification for reinforced concrete culvert , storm drain , and sewer pipe metric
  钢筋混凝土制涵管雨水管和污水管的标准规范米制
• Standard practice for installing factory - made corrugated aluminum culverts and storm sewer pipe
  工厂制波纹铝涵管和雨水管安装的标准实施规程