 |
| |||
| cylindrical concrete column | |||
|
圆 混凝土 柱 : 28 phrases in 5 subjects |
| Bridge construction | 3 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Rail transport | 1 |
| Technology | 22 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips