 |
| |||
| 城市垃圾; 城市污水 | |||
| |||
| 城市垃圾 | |||
| 城市废物 | |||
| 城市污水; 城市废水 | |||
| 城镇垃圾 | |||
| municipal wastes: 20 phrases in 10 subjects |
| Bioenergy | 1 |
| Bridge construction | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Ecology | 2 |
| Engineering geology | 1 |
| General | 1 |
| Technology | 9 |
| Waste management | 2 |
| Water resources | 1 |
|
| |||
| 城市垃圾; 城市污水 | |||
| |||
| 城市垃圾 | |||
| 城市废物 | |||
| 城市污水; 城市废水 | |||
| 城镇垃圾 | |||
| municipal wastes: 20 phrases in 10 subjects |
| Bioenergy | 1 |
| Bridge construction | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Ecology | 2 |
| Engineering geology | 1 |
| General | 1 |
| Technology | 9 |
| Waste management | 2 |
| Water resources | 1 |