 |
| |||
| 深挖 | |||
| 深开挖 | |||
| 深挖方 | |||
| 深开挖 | |||
| deep excavation: 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 1 |
|
| |||
| 深挖 | |||
| 深开挖 | |||
| 深挖方 | |||
| 深开挖 | |||
| deep excavation: 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 1 |