 |
| |||
| 搅拌桩 | |||
|
mixed pile : 12 phrases in 5 subjects |
| Bridge construction | 2 |
| Engineering geology | 4 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Technology | 4 |
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