 |
| |||
| 直排天线阵列 | |||
|
collinear antenna array : 6 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 3 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
|
| |||
| 直排天线阵列 | |||
|
collinear antenna array : 6 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 3 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |