 |
| |||
| advance timbering; cantilever timbering; console support; console timbering; fore support; forepoling; overhanging beam; telescoping support | |||
|
передовая крепь : 13 a las frases, 3 temas |
| Geología | 1 |
| Minería | 11 |
| Término militar | 1 |
|
| |||
| advance timbering; cantilever timbering; console support; console timbering; fore support; forepoling; overhanging beam; telescoping support | |||
|
передовая крепь : 13 a las frases, 3 temas |
| Geología | 1 |
| Minería | 11 |
| Término militar | 1 |