| |||
activated sludge | |||
activated-sludge | |||
active sludge | |||
microbial sludge | |||
| |||
activated sewage | |||
| |||
activated-sludge |
活性 污泥: 340 phrases in 13 subjects |
Agriculture | 3 |
Chemistry | 1 |
Desert science | 1 |
Earth sciences | 9 |
Ecology | 32 |
Environment | 3 |
Metallurgy | 3 |
Oil / petroleum | 5 |
Oil processing plants | 2 |
Rail transport | 1 |
Technology | 224 |
Textile industry | 1 |
Water resources | 55 |