在某沿海城市低洼住宅小区的改造设计中，对其雨水、污水排水系统进行了综合改造。
In the reconstruction design of a low-lying residential area of a coastal city, its rainwater and sewage drainage systems were reconstructed.
从上海市用水的实际情况出发，阐述了住宅小区内生活污水、雨水回用的必要性。
According to the condition of water using in Shanghai, the article summarizes the necessity of recycling municipal wastewater and rainwater in residential areas.
试验结果表明：在污水处理厂取消初沉池，及修建住宅时取消化粪池，对污水处理厂的稳定运行有益。
The experimental results indicated as well that canceling primary sedimentation tank and cesspool when building houses would avail to stable running of sewage treatment plant.
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