 |
| |||
| opening method; method of opening; mode of entry; mode of opening | |||
| способ вскрытия: 5 phrases in 3 subjects |
| Drilling | 1 |
| Mining | 3 |
| Sakhalin | 1 |
|
| |||
| opening method; method of opening; mode of entry; mode of opening | |||
| способ вскрытия: 5 phrases in 3 subjects |
| Drilling | 1 |
| Mining | 3 |
| Sakhalin | 1 |