 |
| |||
| underground cell | |||
| structure; underground chamber (lxu5) | |||
| подземная камера: 13 phrases in 4 subjects |
| Gas processing plants | 1 |
| Mining | 9 |
| Natural resourses and wildlife conservation | 1 |
| Refrigeration | 2 |
|
| |||
| underground cell | |||
| structure; underground chamber (lxu5) | |||
| подземная камера: 13 phrases in 4 subjects |
| Gas processing plants | 1 |
| Mining | 9 |
| Natural resourses and wildlife conservation | 1 |
| Refrigeration | 2 |