 |
| |||
| drawdown curve | |||
| 降深 曲线: 24 phrases in 5 subjects |
| Desert science | 1 |
| Ecology | 1 |
| Engineering geology | 6 |
| Hydroelectric power stations | 1 |
| Technology | 15 |
|
| |||
| drawdown curve | |||
| 降深 曲线: 24 phrases in 5 subjects |
| Desert science | 1 |
| Ecology | 1 |
| Engineering geology | 6 |
| Hydroelectric power stations | 1 |
| Technology | 15 |