管網(wǎng)清淤 / PipeLine Dredging
京衛(wèi)環(huán)全部位排水管網(wǎng)清淤服務(wù)方案對(duì)管網(wǎng)-集水池-涵渠-河湖等項(xiàng)目進(jìn)行污泥、沙石、樹(shù)根清理、混凝土、廢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)