 |
Depressuring | valve
| valve | |
| gen. | створка; золотник; лампа; пистон; вальва; электронная лампа |
| hydrobiol. | створка |
| Depressuring: 6 phrases in 3 subjects |
| Firefighting and fire-control systems | 1 |
| Oil processing plants | 2 |
| Sakhalin | 3 |