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| sewage filed | |||
| waste water treatment unit | |||
| sewage farm Area of land on which sewage or any other type of waste water is distributed in order to purify it; it is a kind of waste water treatment (一片场地，污水或任何其它类型的废水放在那里净化；是一种废水处理设施。) | |||
| sewage-farm | |||
| sewage purification plant | |||
| sewage disposal plant; sewage treatment plant; wastewater treatment unit | |||
| sewage farm | |||
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| sewage farm | |||
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| sewage-farm | |||
| 污水处理场: 4 phrases in 2 subjects |
| Animal husbandry | 1 |
| Waste management | 3 |