 |
| 叠层 结构: 11 phrases in 7 subjects |
| Architecture | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 5 |
| Wind Energy | 1 |
|
| 叠层 结构: 11 phrases in 7 subjects |
| Architecture | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 5 |
| Wind Energy | 1 |