1) river drainage system
河道排水系统
3) tunnel drainage system
隧道排水系统
1.
Hydraulic experiments are conducted to investigate the Manning roughness coefficient of the tunnel drainage system.
利用多排矩形基桩模型进行水力试验,并在改变纵向及侧向模型间距及水深等条件下,研究隧道排水系统的曼宁粗糙系数特性。
4) sewerage system
排水管道系统
1.
The characteristics of sewerage system in mountainous cities were introduced,and the design problems such as pipe laying modes, gradient and flow velocity,selection of pipe material and drop structure were discussed.
介绍了山地城市排水管道系统的特点,探讨了管道敷设方式、坡度与流速、管材选择及落差处理构筑物等方面的设计问题,提出了山地城市排水管道的设计目标及方法。
2.
A new optimization design method-ant colony algorithm was introduced to be applied in the optimization design of sewerage system.
引入一种新的优化设计方法———蚁群算法,并将该法应用于排水管道系统的优化设计。
3.
For the heavy slope gradient of landform in mountainous city, large numbers of energy dissipating structure must be designed in sewerage system to adapt the large fall between upper and lower sections.
山地城市的地形坡度较大,排水管道系统的上、下端落差大,因而需设置大量的跌水、消能构筑物,为此,在城市排水管道工程设计中引入了在水利工程上常用的格栅式消能池工艺,并介绍了格栅式消能池的工艺构造、消能机理及设计计算方法。
6) Arrangement of drainage system for high pressure pipelines
高压管道排水系统布置
补充资料：河道洪水演进(见河道洪水演算法)
河道洪水演进(见河道洪水演算法)
neaao non郎hUi河道洪水演进yanJ县n 见河道洪水演算法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条