 |
| |||
| 岩石强度弱化系数饱水状态下岩石的抗压强度与干燥状态下的抗压强度之比 | |||
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