Conduct a thorough survey of the public watersupply and waste management systems. Determine the needs for immediate repairs, and identify such areas on a map.
指导全面的公共水供给和浪费管理系统。为立即修复决定需求，并在地图上识别这些地区。
2
In addition, a pipe network description language for watersupply system is designed to locate pipe networks in city terrain map.