 |
| |||
| 炮孔距勘探线上相邻钻孔的距离 | |||
|
spacing of holes : 5 phrases in 2 subjects |
| Engineering geology | 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