河水位对堤内地下水有重要的影响，且河水向二岸的侧渗常导致堤内排水困难，使农作物遭受渍害。
The groundwater is influenced severely by the river level and the river infiltration often causes in difficulties of drains and makes the crops along the riverside suffer from subwaterlogging.
洪水建立起了沙洲，向河水中注入沉积物。
The floodwatersbuilt up sandbanks and infused the river with sediment.
每小时两毫米的降雨都可能引发污水外泄。向伦敦供水的公用设施公司Thames Water表示，每年未经处理注入河水中的污泥达3900万吨。
Two millimetres of rain in an hour can trigger a discharge; 39m tonnes of untreated sludge flushes into the river every year, says Thames Water, the utility firm that supplies London.
而向河水的另一方望去，那是新加坡有摩天轮的地方。那种暗暗地不张扬的色彩更加让水的那一岸更加沉稳。
Seeing from one bank of the river. There's a ferris wheel there. The pale colors in this side make the city sedater.
他揭露出了隐藏的管道，从当地工厂向河水泻出黑色污水并且流向太湖。
He revealed hidden pipes that discharged black effluent from local factories into the river, which flows into Lake Tai.
十一五“期间，沈阳市对浑河实施的大规模综合整治，实现了浑河水环境由”厌氧型严重污染水体“向”好氧型轻度污染水体“的转变。
During the eleventh five-year period, the Hunhe River was treated synthetically, which made the water quality changed from anaerobic heavy pollution to aerobic light pollution.
因为污染物除随河水流动方向流动以外，还会向河水流动不同方向扩散。污染物也可能由于水体的自净作用而在流动过程中逐渐消失。
Due to the diffusional effect, the pollutant will flow not only towards the down-stream, but also in other directions, including the direction against the flow stream.
因为污染物除随河水流动方向流动以外，还会向河水流动不同方向扩散。污染物也可能由于水体的自净作用而在流动过程中逐渐消失。
Due to the diffusional effect, the pollutant will flow not only towards the down-stream, but also in other directions, including the direction against the flow stream.
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