 |
| |||
| concrete pad | |||
| 混 凝土座: 46 phrases in 7 subjects |
| Electronics | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 39 |
|
| |||
| concrete pad | |||
| 混 凝土座: 46 phrases in 7 subjects |
| Electronics | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 39 |