 |
| |||
| 露天采场边帮露天采场由台阶、倾斜坑线的坡面和平盘限定的表面总体及邻近岩体 | |||
| |||
| 露天矿边坡 | |||
| open-pit slope: 4 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 2 |
| Technology | 2 |
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