When there are no particular requirements on the Drawings, water flow behind the lining shall all be drained into the inner side ditch of the tunnel.
如图纸无特殊要求，衬砌背后之流水应排入隧道内侧排水沟或中央排水管内。
The existing highway design criterion only takes setting pavement longitudinal grade, side ditch and drainage ditch into account in order to eliminate surface water.
现有的公路设计中，考虑较多的仅仅是通过设置道路的纵坡、边沟及排水沟等设施来排除地表水。
The existing highway design criterion only takes setting pavement longitudinal grade, side ditch and drainage ditch into account in order to eliminate surface water.
现有的公路设计中，考虑较多的仅仅是通过设置道路的纵坡、边沟及排水沟等设施来排除地表水。
应用推荐