| |||
| 加载长度 | |||
|
loading length : 10 phrases in 5 subjects |
| Automobiles | 2 |
| Bridge construction | 3 |
| Commerce | 1 |
| Rail transport | 1 |
| Technology | 3 |
| |||
| 加载长度 | |||
|
loading length : 10 phrases in 5 subjects |
| Automobiles | 2 |
| Bridge construction | 3 |
| Commerce | 1 |
| Rail transport | 1 |
| Technology | 3 |