| |||
ram engine; ramjet | |||
| |||
ram jet; ram jet engine |
冲压发动机 : 211 phrases in 11 subjects |
Air defense | 4 |
Astronautics | 2 |
Aviation | 49 |
Combustion gas turbines | 1 |
General | 8 |
Military | 1 |
Nautical | 1 |
Rail transport | 3 |
Space | 106 |
Technology | 35 |
Transport | 1 |