Water Supply Data Map 用水供应图
Conduct a thorough survey of the public water supply 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。
In addition, a pipe network description language for water supply system is designed to locate pipe networks in city terrain map.
给出一个管网系统(供水)的管网图形描述语言，使管网系统能快速准确地定位于地形图上。
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