 |
| |||
| 装药结构炸药在药室中堆放的方式、起爆体的构造和安放位置、药包与药室的相对空间关系; 装药结构 | |||
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