 |
| |||
| direct return (ssn) | |||
| ratio of radiant heat output to total heat input (топки) | |||
| прямая отдача: 2 phrases in 2 subjects |
| Makarov | 1 |
| Thermal engineering | 1 |
|
| |||
| direct return (ssn) | |||
| ratio of radiant heat output to total heat input (топки) | |||
| прямая отдача: 2 phrases in 2 subjects |
| Makarov | 1 |
| Thermal engineering | 1 |