drainage

noun

1. 排水；放水
   the process by which water or liquid waste is drained from an area
   1. a drainage system/channel/ditch
      排水系统 / 渠 / 沟
   2. The area has good natural drainage.
      这个地区有良好的天然排水系统。
2. 排水系统
   a system of drains

1. N-UNCOUNT 排水系统;排水;放水
   Drainage is the system or process by which water or other liquids are drained from a place.
   1. Line the pots with pebbles to ensure good drainage...
      在罐子里铺一层鹅卵石，以确保排水良好。
   2. The drainage system has collapsed because of too much rain.
      由于降雨过多，排水系统已经彻底瘫痪了。

1. Keep the drainage channel clear.
   保持下水道畅通。
2. Line the pots with pebbles to ensure good drainage
   在罐子里铺一层鹅卵石，以确保排水良好。
3. The drainage system has collapsed because of too much rain.
   由于降雨过多，排水系统已经彻底瘫痪了。
4. It is advisable to mix coarse grit into heavy soil to improve drainage.
   建议将粗砂掺到黏重的土壤里，以提高排水性能。
5. It is wise to start infilling with a layer of gravel for drainage.
   先铺上一层利于排水的砾石是个明智的做法。
6. The rainy season is coming. It's a matter of great urgency to repair the drainage and irrigation equipment.
   雨季就要到了，修理排灌设备是急如星火的任务。
7. The pollutant drainage fee can be included in the production costs.
   排污费可从生产成本中列支。
8. The defect in the drainage must be remedied.
   这排水系统的缺陷该设法补救。
9. This is a drainage area.
   这里是排水区。
10. The closed drainage technique of mechanical construction was introduced in North Ningxia Yinchuan Irrigation district.
    宁夏银川灌区引进机械施工的暗管排水工程施工技术，开展了大面积的暗管排水工程建设。
11. Our backyard is flooded by heavy rain because the drainage is poor.
    因为排水系统很差，我们的后院被大雨淹了。
12. But even the mosquito has been subdued by attention to drainage and by chemical sprays.
    然而即使蚊子，也由于我们注意清理污水和喷洒化学药品就被制服了。
13. The research on drainage technique is instructive for quay stability analysis and geologic calamity prevention and control.
    排水技术的研究对港口码头的稳定分析以及地质灾害的防治具有指导性意义。
14. We conducted a randomized trial to compare endoscopic and surgical drainage of the pancreatic duct.
    我们进行了一项随机试验对胰管扩张内镜和外科治疗进行了对比研究。
15. High position bores and elevation bores methane drainage technique can prevent gas problem successfully.
    采用高位钻孔和仰角钻孔抽放瓦斯技术，有效地防止了瓦斯超限。
16. Branch canals and ditches were dug to form a system of irrigation and drainage.
    挖了一些支渠，形成了一个排灌系统。
17. Analysis of application of PLC in drainage system of hydropower plant
    PLC在水电厂排水系统中的应用与分析
18. The slope debris flows may be controlled by construction of drainage systems and reforestation.
    建排水系统和发育植被可以最终控制坡面泥石流。
19. The drainage of the city is not good, some of the pipes are broken.
    这个城市的排水系统不好，有些排水管都破裂了。
20. The design of water supply system, drainage system and fire control system were described in this paper.
    叙述了太原某住宅楼的给水、排水以及消防系统的设计。
21. Alongside each irrigation canal a drainage ditch was dug.
    沿着每一条灌溉渠，他们还挖了一条排水沟。
22. As landfill site working, biochemical process and seepage of leachate always affect and change drainage layer permeability.
    垃圾填埋场运行过程中，渗滤液的渗流和生物化学作用，不断影响和改变着排水层的渗透性能。
23. This paper introduces water-supply, drainage and fire supply system of No.
    介绍了绥化市第一医院给水排水及消防给水系统及其设计参数。
24. Water drainage hose, charging valve shall be kept open.
    为排出槽内和排水管中的水，应使排水阀保持开状态。
25. If no drainage system exists, the water table rises, bringing dissolved salts to the surface.
    如果没有排水系统存在，那么，地下水上升，将溶解的盐分带到了地面。
26. So can implement the whole autocontrol of drainage system.
    从而实现对排水系统的全自动控制。
27. The urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.
    城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。
28. Focus on the water resources and water environment information inquiry, analysis and appraisal of drainage basin level.
    主要侧重于流域层次的水资源与水环境信息查询、分析和评价。
29. In design of highway drainage system, the rainfall reappearing period is a very important parameter.
    在公路排水系统设计中，降雨重现期是一个非常重要的参数。
30. The paper analyses the drainage method of the same layer extracted in housing design, compares the major characteristics.
    本文分析了在住宅设计中采用同层排水方式的主要技术特点，并对其中的几种作法进行了比较。

noun

1. emptying something accomplished by allowing liquid to run out of it

   Synonym:    drain