 |
| |||
| separating filter | |||
| 分离滤器: 24 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Compressors | 1 |
| Construction | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Shipbuilding | 2 |
| Technology | 6 |
|
| |||
| separating filter | |||
| 分离滤器: 24 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Compressors | 1 |
| Construction | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Shipbuilding | 2 |
| Technology | 6 |