 |
| |||
| 光纤声压传感器 | |||
| optic fibre: 34 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Electric machinery | 1 |
| General | 2 |
| Information technology | 1 |
| Metallurgy | 1 |
| Space | 5 |
| Technology | 19 |
|
| |||
| 光纤声压传感器 | |||
| optic fibre: 34 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Electric machinery | 1 |
| General | 2 |
| Information technology | 1 |
| Metallurgy | 1 |
| Space | 5 |
| Technology | 19 |