| |||
| 点污染源 | |||
|
point pollution source : 41 phrases in 8 subjects |
| Earth sciences | 1 |
| Ecology | 8 |
| Engineering geology | 3 |
| Environment | 1 |
| Hydroelectric power stations | 2 |
| Oceanography & oceanology | 1 |
| Technology | 24 |
| Water resources | 1 |
| |||
| 点污染源 | |||
|
point pollution source : 41 phrases in 8 subjects |
| Earth sciences | 1 |
| Ecology | 8 |
| Engineering geology | 3 |
| Environment | 1 |
| Hydroelectric power stations | 2 |
| Oceanography & oceanology | 1 |
| Technology | 24 |
| Water resources | 1 |