 |
| |||
| удаление воздуха из системы | |||
| system air removal: 8 phrases in 3 subjects |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 6 |
|
| |||
| удаление воздуха из системы | |||
| system air removal: 8 phrases in 3 subjects |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 6 |