 |
| |||
| 基岩; 基底岩; 基础岩石 | |||
| foundation rock: 17 phrases in 4 subjects |
| Bridge construction | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 11 |
|
| |||
| 基岩; 基底岩; 基础岩石 | |||
| foundation rock: 17 phrases in 4 subjects |
| Bridge construction | 3 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 11 |