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| 散发污染物; 散发物 | |||
| 排气; 排放污染物 | |||
| emission pollutant: 26 phrases in 10 subjects |
| Automobiles | 4 |
| Aviation | 1 |
| China | 4 |
| Earth sciences | 2 |
| Ecology | 2 |
| Environment | 3 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Technology | 7 |
| Wind Energy | 1 |
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