| |||
temporary tunnel support (тоннельной выработки); set (в тоннеле) | |||
temporary lining | |||
auxiliary support; false timbering; preliminary support | |||
temporary supports | |||
temporary support | |||
| |||
initial support |
временная крепь: 9 phrases in 4 subjects |
Geology | 2 |
Makarov | 1 |
Mining | 5 |
Technology | 1 |