In addition, we found a obvious groundwater divide on the south side of Ma-An river.
In addition, we found a obvious groundwater divide on the south side of Ma-An river.
中层是为封闭的含水层，深层地下水在枯水季有高山区域流达的水源。
In addition, we found a obvious groundwater divide on the south side of Ma-An river.
中层是为封闭的含水层，深层地下水在枯水季有高山区域流达的水源。