 |
| |||
| 空间加工 | |||
|
space processing : 30 phrases in 7 subjects |
| Air defense | 3 |
| Aviation | 5 |
| Metallurgy | 1 |
| Space | 16 |
| Technology | 3 |
| Telecommunications | 1 |
| United States | 1 |
|
| |||
| 空间加工 | |||
|
space processing : 30 phrases in 7 subjects |
| Air defense | 3 |
| Aviation | 5 |
| Metallurgy | 1 |
| Space | 16 |
| Technology | 3 |
| Telecommunications | 1 |
| United States | 1 |