给水管道将原水送到水厂，将清水送入用户，供给用户所需的水量，保证配水管网足够的水压，保证不间断供水，保证水质符合国家的各项标准。管道断裂是造成用户断水、缺水的重要原因，管网又是出厂水质受到再次污染的主要场所。管网造价占供水系统总造价的一半以上，长距离引水? Water supply pipeline will be sent to the water plant, the water will be sent to users, the amount of water supply to users, to ensure adequate water distribution network pressure to ensure uninterrupted water supply to ensure water quality in line with national standards. Pipeline rupture is caused by users of water, water an important reason, the pipe network is the factory water quality once again contaminated the main place. Pipe network costs account for more than half of the total cost of water supply system, long-distance diversion?