 |
| |||
| foundation ditch; foundation trench | |||
| excavation | |||
| foundation pit | |||
| ditch for foundation | |||
| ditch of foundation; foundation building pit | |||
| 基坑: 68 phrases in 6 subjects |
| Bridge construction | 8 |
| Electronics | 1 |
| Engineering geology | 8 |
| Hydroelectric power stations | 3 |
| Rail transport | 4 |
| Technology | 44 |