 |
| |||
| 炸药的有效能气体产物压力超过 l00MPa时〈炸药〉向岩体释放的能量 | |||
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