城市主要污染源

Major urban pollution sources

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
交通噪声已成为城市主要污染源之一。
Road traffic noise has become one of the major urban pollution sources.
2
城市干道已成为城市主要污染源之一。
The arterial road in city has become one of the important city pollution sources.
3
城市面源污染已成为上海城区河道的主要污染源。
The urban non-point pollution has become main pollution resource of urban water bodies of Shanghai.

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