| |||
| 循环灌浆 | |||
| 中心圆管灌浆 | |||
|
circuit grouting : 13 phrases in 3 subjects |
| Engineering geology | 4 |
| Hydroelectric power stations | 2 |
| Technology | 7 |
| |||
| 循环灌浆 | |||
| 中心圆管灌浆 | |||
|
circuit grouting : 13 phrases in 3 subjects |
| Engineering geology | 4 |
| Hydroelectric power stations | 2 |
| Technology | 7 |