 |
| |||
| 穿过覆盖层的爆破钻孔和装药均穿过覆盖层，一般用于水下爆破，瑞典称为 OD 法 | |||
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