 |
| |||
| gas filter | |||
| 气体滤器: 22 phrases in 8 subjects |
| Automobiles | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Metallurgy | 3 |
| Oil processing plants | 1 |
| Refrigeration | 2 |
| Technology | 10 |
| Water resources | 1 |
|
| |||
| gas filter | |||
| 气体滤器: 22 phrases in 8 subjects |
| Automobiles | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Metallurgy | 3 |
| Oil processing plants | 1 |
| Refrigeration | 2 |
| Technology | 10 |
| Water resources | 1 |