micro-polluted water source 微污染水源
micro polluted water source 微污染水源
slightly-polluted water source 微污染水源
micro-scale polluted water source 微污染水源
micro-polluted source water 微污染源水 ; 微污染原水
slightly polluted source water 微污染水源水
polluted source water 受污染水源水
micro-polluted drinking water source 微污染饮用水源
mild polluted source water 微污染水源水
slight-polluted source water 微污染水源水
Is the water polluted at source?
河水是在源头受到污染的吗？
To prevent this from happening again, John Snow suggested that the source of all water supplies be examined and new methods of dealing with polluted water be found.
为防止这种情况再度发生，约翰·斯诺建议，所有水源都要经过检测，而且要寻找处理污水的新方法。
The water supply of MengCheng county town had changed to groundwater source because Guo River's water was serious polluted since 1993.
由于水源涡河水质污染超标，蒙城县县城从1993年起已全部改用地下水源供水。
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