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

• 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。
• 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。
• 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。
• 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。
• 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。
• Keep the drainage channel clear.
  保持下水道畅通。
• This is a drainage area.
  这里是排水区。
• 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。
• 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。
• 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。