 |
| |||
| 混凝土内衬 | |||
| 混凝土衬砌 | |||
| 混凝土衬里 | |||
| concrete lining: 32 phrases in 5 subjects |
| Bridge construction | 1 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Technology | 25 |
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