 |
| |||
| air burst; burst; bump | |||
| |||
| air bursting; rock burst (lxu5) | |||
| spalling; strain bursting; rock bump (lxu5) | |||
| стреляние горной породы: 2 phrases in 1 subject |
| Mining | 2 |
|
| |||
| air burst; burst; bump | |||
| |||
| air bursting; rock burst (lxu5) | |||
| spalling; strain bursting; rock bump (lxu5) | |||
| стреляние горной породы: 2 phrases in 1 subject |
| Mining | 2 |