 |
| |||
| ненаполненный; сухотрубный (о системе) | |||
| dry -piped: 5 phrases in 4 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 2 |
| Nautical | 1 |
| Thermal engineering | 1 |
|
| |||
| ненаполненный; сухотрубный (о системе) | |||
| dry -piped: 5 phrases in 4 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 2 |
| Nautical | 1 |
| Thermal engineering | 1 |