管网清淤 / PipeLine Dredging
oe欧亿品质全部位排水管网清淤服务方案对管网-集水池-涵渠-河湖等项目进行污泥、沙石、树根清理、混凝土、废水及其他沉淀的清理(Sludge, sand, stone, tree roots, concrete, waste water and other precipitates shall be cleaned for the four items of pipe network - collecting tank - culvert canal - River and lake)