drinking water distribution system 基本例句 给水管网 It has been proved in practice that the system is an affective and convenient means for water supply network.实践证明,该系统功能全,实用性强,是给水管网管理的有力工具。 Get the vulnerability grade of water supply network through index value of the water node.由用水节点的脆弱性指标值,得到给水管网的脆弱性等级。