internal source of pollution
英
美
- 内源污染
双语例句
- Soil erosion and non-point source pollution are two serious environmental issues.
土壤侵蚀与非点源污染是两大重要的环境问题。 - So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication.
因此农业面源污染已被视为水体富营养化的主要污染源。
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