| |||
| 集控制 | |||
|
control of set : 10 phrases in 5 subjects |
| Business | 3 |
| Electricity | 1 |
| Hydroelectric power stations | 4 |
| Technology | 1 |
| United Nations | 1 |
| |||
| 集控制 | |||
|
control of set : 10 phrases in 5 subjects |
| Business | 3 |
| Electricity | 1 |
| Hydroelectric power stations | 4 |
| Technology | 1 |
| United Nations | 1 |