 |
| |||
| replot | |||
| 重划分: 8 phrases in 7 subjects |
| Aviation | 1 |
| Economy | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
| United Nations | 1 |
|
| |||
| replot | |||
| 重划分: 8 phrases in 7 subjects |
| Aviation | 1 |
| Economy | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
| United Nations | 1 |