arch with
| variable section
| arch with abbr. | |
| tech. | 带啮合接头的拱 |
| variable section abbr. | |
| bridg.constr. | 可变截面 |
| |||
| 带啮合接头的拱 | |||
|
arch with : 53 phrases in 6 subjects |
| Architecture | 3 |
| Bridge construction | 18 |
| Construction | 1 |
| Gymnastics | 7 |
| Hydroelectric power stations | 1 |
| Technology | 23 |