 |
| |||
| air-search radar | |||
| air guard radar; air search radar | |||
| 对空 搜索 雷达: 10 phrases in 3 subjects |
| Air defense | 4 |
| Aviation | 4 |
| Electronics | 2 |
|
| |||
| air-search radar | |||
| air guard radar; air search radar | |||
| 对空 搜索 雷达: 10 phrases in 3 subjects |
| Air defense | 4 |
| Aviation | 4 |
| Electronics | 2 |