The water catchment area of rain leader shall be determined based on whether the rainwater hopper and gutter are set up, and the calculation of water depth before the rainwater hopper.
雨水立管的汇水面积应结合是否安装雨水斗、是否设置天沟及斗前水深进行计算确定。
This paper describes the principles of ecotype hydraulic protection and related treatment techniques for gentle slope, steep slope, gully head, scouring gully, water catchment area and revetment.
文章阐述了生态型水工保护的原则，从缓坡、陡坡、沟头、冲沟、汇水塬、护坡、崾岘的处理等方面，介绍了生态型水工保护技术。
It was inaugurated in 2008 and ACTS as a tidal barrier to keep seawater out, thus turning the island's most populated district into a water-catchment area and the harbour into a reservoir.
这座大坝落成于2008年，是作为阻挡海水与潮汐的一道屏障而修建的，将这个岛上人口最密集的区域和港口变成了一座水库。
Pollution total quantity control in the catchment area of municipal waste water treatment plant should avoid the repetitive treatment of municipal wastewater treatment plant.
在城市污水处理厂汇水区实行污染源总量控制，应该避免与城市污水处理厂重复治理。
Base on investigation of soil and water loss in Baipenzhu reservoir catchment area, experimental research on rainfall-runoff-sediment yield of typical erosion landform and vegetation was carried out.
在对白盆珠水库库区开展水土流失实地调查的基础上，选择库区典型的侵蚀地貌类型与植被类型进行降雨—径流—产沙规律的初步研究。
According gto the report, over 69 percent of water supplies for all of China are now provided by catchment areas occupying only 6 percent of the country's total land area.
据这份报告显示，在全中国，超过69%的居民用水供应来源于占地面积仅为6%的水域。
Through the reuse of treated wastewater, desalination, increasing the catchment area and other means to achieve diversification of water sources.
并通过污水处理后的回用、海水淡化、增大集水区等手段，来实现水源多样化。
Drainage systems that were designed to meet the needs of the original service areas are unable to carry extra storm water runoff from newly paved areas in the catchment area.
为服务原有地区设计的排水系统无法承受从新铺装地区聚集的多余雨水。
Drainage systems that were designed to meet the needs of the original service areas are unable to carry extra storm water runoff from newly paved areas in the catchment area.
为服务原有地区设计的排水系统无法承受从新铺装地区聚集的多余雨水。
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