 |
| |||
| lighting control | |||
| 电光 控制: 54 phrases in 9 subjects |
| Air defense | 1 |
| Electronics | 10 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Polygraphy | 1 |
| Space | 4 |
| Technology | 33 |
|
| |||
| lighting control | |||
| 电光 控制: 54 phrases in 9 subjects |
| Air defense | 1 |
| Electronics | 10 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Polygraphy | 1 |
| Space | 4 |
| Technology | 33 |