 |
| |||
| branch network | |||
| 枝状 网: 16 phrases in 5 subjects |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Refrigeration | 1 |
| Technology | 11 |
|
| |||
| branch network | |||
| 枝状 网: 16 phrases in 5 subjects |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Refrigeration | 1 |
| Technology | 11 |