,,
"填报日期:年月日" "序号","市县名称","供气管道长度(公里)","供气管道长度按管径分(公里)",,
"供气道长度按建设年限分(公里)",,
,"供气管道长度按材质分(公里)",,
,"本年更新改造供气管道长度(公里)","本年完成投资(万元) ,,
,"Φ