 |
| |||
| 大田防护 | |||
| field protection: 16 phrases in 6 subjects |
| Aviation | 1 |
| Electric machinery | 3 |
| Electronics | 8 |
| Hydroelectric power stations | 2 |
| Space | 1 |
| Technology | 1 |
|
| |||
| 大田防护 | |||
| field protection: 16 phrases in 6 subjects |
| Aviation | 1 |
| Electric machinery | 3 |
| Electronics | 8 |
| Hydroelectric power stations | 2 |
| Space | 1 |
| Technology | 1 |