 |
| |||
| 氧气系统; 敞开式弹射 | |||
| 供氧系统 | |||
|
oxygen system : 99 phrases in 13 subjects |
| Architecture | 1 |
| Aviation | 44 |
| Business | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 5 |
| Public security | 1 |
| Space | 33 |
| Sports | 1 |
| Technology | 8 |
| Textile industry | 1 |
|
| |||
| 氧气系统; 敞开式弹射 | |||
| 供氧系统 | |||
|
oxygen system : 99 phrases in 13 subjects |
| Architecture | 1 |
| Aviation | 44 |
| Business | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 5 |
| Public security | 1 |
| Space | 33 |
| Sports | 1 |
| Technology | 8 |
| Textile industry | 1 |