| |||
| 静定结构 | |||
|
determinate structure : 9 phrases in 4 subjects |
| Bridge construction | 2 |
| Hydroelectric power stations | 1 |
| Road construction | 1 |
| Technology | 5 |
| |||
| 静定结构 | |||
|
determinate structure : 9 phrases in 4 subjects |
| Bridge construction | 2 |
| Hydroelectric power stations | 1 |
| Road construction | 1 |
| Technology | 5 |