 |
| |||
| liquid engine | |||
| 液体 发动机: 58 phrases in 9 subjects |
| Astronautics | 1 |
| Automobiles | 3 |
| Aviation | 4 |
| Economy | 1 |
| General | 4 |
| Nuclear physics | 1 |
| Space | 37 |
| Technology | 6 |
| Transport | 1 |
|
| |||
| liquid engine | |||
| 液体 发动机: 58 phrases in 9 subjects |
| Astronautics | 1 |
| Automobiles | 3 |
| Aviation | 4 |
| Economy | 1 |
| General | 4 |
| Nuclear physics | 1 |
| Space | 37 |
| Technology | 6 |
| Transport | 1 |