Waterlogged soils occur in areas that are flat or have poor drainage.
涝渍土壤发生在地势平坦或排水不畅的地区。
2
Flat sites can present serious problems for the drainage of waste and storm water.
地势平坦的地点可能会有污水排放和暴雨后积水的严重问题。
3
When the Banks have been crested, the surrounding land becomes the river, with he water moving across flat land in a sheet, toward whatever is the drainage point.