 |
| |||
| баллон с азотом | |||
| сосуд хранения азота (Stefan S) | |||
| nitrogen cylinder: 14 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Nuclear and fusion power | 1 |
| Technology | 12 |
|
| |||
| баллон с азотом | |||
| сосуд хранения азота (Stefan S) | |||
| nitrogen cylinder: 14 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Nuclear and fusion power | 1 |
| Technology | 12 |