 |
| |||
| liquid propellant rocket engine (简称液体火箭发动机); liquid propellant rocket engine | |||
| 液体 推进剂火箭发动机: 5 phrases in 3 subjects |
| Aviation | 1 |
| Space | 3 |
| Transport | 1 |
|
| |||
| liquid propellant rocket engine (简称液体火箭发动机); liquid propellant rocket engine | |||
| 液体 推进剂火箭发动机: 5 phrases in 3 subjects |
| Aviation | 1 |
| Space | 3 |
| Transport | 1 |