drainage

英 [ˈdreɪnɪdʒ]

美 [ˈdreɪnɪdʒ]

n.  排水; 放水; 排水系统

复数：drainages　

CET6TOEFLIELTSGRETEM8医学法律

Collins.1 / BNC.5718 / COCA.7695

牛津词典

noun

• 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。
• 排水系统
  a system of drains

柯林斯词典

• N-UNCOUNT 排水系统;排水;放水
  Drainageis 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。

英英释义

noun

• emptying something accomplished by allowing liquid to run out of it
  Synonym:drain

双语例句

• 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
• 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。
• 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。
• 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。
• 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。
• The pollutant drainage fee can be included in the production costs.
  排污费可从生产成本中列支。
• 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。
• 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。
• 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。
• 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。