| |||
| 整石建筑物 | |||
| 整治建筑物; 治河建筑物 | |||
| 导治建筑物; 导流建筑物 | |||
|
training structure : 10 phrases in 4 subjects |
| Aviation | 2 |
| Exhibitions | 1 |
| Hydroelectric power stations | 3 |
| Technology | 4 |
| |||
| 整石建筑物 | |||
| 整治建筑物; 治河建筑物 | |||
| 导治建筑物; 导流建筑物 | |||
|
training structure : 10 phrases in 4 subjects |
| Aviation | 2 |
| Exhibitions | 1 |
| Hydroelectric power stations | 3 |
| Technology | 4 |