thermal efficiency: 71 phrases in 17 subjects |
Armored vehicles | 3 |
Astronautics | 3 |
Automobiles | 3 |
Combustion gas turbines | 2 |
Construction | 3 |
Electrical engineering | 6 |
Electronics | 5 |
Energy industry | 8 |
Energy system | 2 |
Firefighting and fire-control systems | 3 |
Oil / petroleum | 1 |
Oilfields | 1 |
Refrigeration | 1 |
Silicate industry | 1 |
Technology | 6 |
Thermal engineering | 20 |
Thermodynamics | 3 |