| |||
| ★ 静定结构 | |||
|
statically determinate structure : 5 phrases in 3 subjects |
| Bridge construction | 2 |
| Road construction | 1 |
| Technology | 2 |
| |||
| ★ 静定结构 | |||
|
statically determinate structure : 5 phrases in 3 subjects |
| Bridge construction | 2 |
| Road construction | 1 |
| Technology | 2 |