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1)  Single stack drainage system
单立管排水系统
1.
This article has explained the air-back in single stack drainage systems and maintaining measures.
文章介绍了单立管排水系统常见返气现象,并提出了维修解决办法。
2)  Double stack drainage system
双立管排水系统
3)  three-dimensional drainage system
立体排水系统
1.
Setting three-dimensional drainage system which is composed drainage culvert and horizontal, vertical and acclivitous drainage bore in loess landsliding body, is an effectual method for dropping the underground water level and improving the stability of slope, but its effection estimation is a problem.
设置由排水隧洞及水平、垂直和倾斜方向的排水孔组成的立体排水系统,是降低黄土滑坡体地下水位线,提高滑坡体稳定性的有效方法,但其效果的计算分析是一难点。
4)  drainage vertical pipes
排水立管
1.
The main cause of the problem is that the design of the water film flow and hydraulic drop flow in the building’s drainage vertical pipes is not reasonable enough.
究其原因主要是由于室内排水立管中的气流未能及时排放,被压缩气流克服座便器水封所致。
5)  drainage system
排水系统,排泄系统,水系,排水管系
6)  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。
补充资料:单譬立题
【单譬立题】
  譬者,比喻之义。如梵网等经是也。谓梵网以譬喻立名,故云单譬立题。(梵网者,谓梵天宝网,其目不同,以譬戒律之目,亦各各不同也。)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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