 |
| |||
| 斜井的下侧井壁 | |||
| 底壁 | |||
| 底帮位于露天采场矿体底板侧的边帮 | |||
| 下盘 | |||
| 下底板; 主夹板; 断层下盘 | |||
| |||
| 低篱 | |||
| 矮墙 | |||
| lower wall: 13 phrases in 4 subjects |
| Bridge construction | 1 |
| Drilling | 1 |
| Metallurgy | 3 |
| Technology | 8 |
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