for protecting water environment and saving money, the combined sewer system will be remade by stages.
为保护环境,节约资金,博罗旧城改造拟分期对直排式合流制排水系统进行改造。
intercepting ratio is an important parameter in the rehabilitation of combined sewer system (css) and plays a decisive role to the environmental benefit, construction investment and operating cost.
截流倍数是合流制排水系统截流改造中的重要参数,它的大小对截流改造工程的环境效益、建设投资以及运行成本均起着决定性作用。
in urban sewer design, the accomplishment of design intention is effected directly by the function of overflowing well, an important structure for combined sewer system with collector.
溢流井是城市截流式合流制排水系统的一个重要组成部分,它的成败直接影响着规划设计意图的实现。