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pulse-jet engine |
脉动喷气式发动机 : 41 phrases in 13 subjects |
Air defense | 1 |
Astronautics | 1 |
Automobiles | 1 |
Aviation | 6 |
Combustion gas turbines | 1 |
Construction | 1 |
General | 5 |
Mechanic engineering | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Skydiving | 5 |
Space | 8 |
Technology | 9 |