two-span
| continuous beam
| two spans | |
| bridg.constr. | 双跨 |
| continuous beam | |
| avia. | 多支点梁 |
| hydroel.st. од. | 连续梁 |
| |||
| 双跨 | |||
| |||
| 双跨 | |||
|
two-span : 18 phrases in 3 subjects |
| Architecture | 1 |
| Bridge construction | 4 |
| Technology | 13 |