 |
| |||
| 翼缘宽度 | |||
| width of flange: 10 phrases in 4 subjects |
| Bridge construction | 6 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 2 |
|
| |||
| 翼缘宽度 | |||
| width of flange: 10 phrases in 4 subjects |
| Bridge construction | 6 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 2 |