 |
| |||
| high nitrogen | |||
| высокое содержание азота: 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 1 |
| Metallurgy | 1 |
| Refrigeration | 1 |
|
| |||
| high nitrogen | |||
| высокое содержание азота: 4 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Gas processing plants | 1 |
| Metallurgy | 1 |
| Refrigeration | 1 |