 |
| |||
| sewage pump plant | |||
|
污水 站 : 21 phrases in 8 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 12 |
| Water resources | 3 |
|
| |||
| sewage pump plant | |||
|
污水 站 : 21 phrases in 8 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 12 |
| Water resources | 3 |