 |
| |||
| 侵蚀基准 | |||
| erosion base: 9 phrases in 4 subjects |
| Desert science | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
|
| |||
| 侵蚀基准 | |||
| erosion base: 9 phrases in 4 subjects |
| Desert science | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Technology | 4 |