Combining with the practical engineering of the drainage system, this paper proposes that in the transformation process of old city in medium and small cities, we should follow and implement the combined drainage system and drainage system.%结合工程实际探讨排水体制问题,提出了在中小城市的旧的城区改造过程中应遵循和推行的合流制排水系统以及排水体制问题.
展开▼