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| river pollution The direct or indirect human alteration of the biological, physical, chemical or radiological integrity of river water, or a river ecosystem (人们直接或间接的改变河水或者河的生态系统的生物、物理、化学或放射性的完整性。) | |||
| stream pollution; river pollution; pollution of river | |||
| pollution of stream; potamic pollution; river contamination | |||
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河 流 污染 : 49 phrases in 4 subjects |
| Bridge construction | 1 |
| Ecology | 2 |
| Technology | 42 |
| Water resources | 4 |
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