道等老化更新改造建设项目勘察设计施工总承包(EPC)第一标段(二次)ttttttttttttt标段编号:tttttGC*******************ttttt标段名称:tttt###县燃气管道等老化更新改造建设项目勘察设计施工总承包(EPC)第一标段(二次)ttttttttttttt招标人:tttt###县住房****局ttttt招标方式:ttttt公开招标********