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关注：1
2013-05-23 12:21
求翻译：运用人工湿地处理污水，运行费用通常较常规二级污水处理场低，但其出水水质可以达到或超过二级污水处理水平。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
运用人工湿地处理污水，运行费用通常较常规二级污水处理场低，但其出水水质可以达到或超过二级污水处理水平。
问题补充： |
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2013-05-23 12:21:38
The use of artificial wetland treatment of sewage, operating costs are usually higher than conventional secondary sewage treatment plant is low, but its water quality can meet or exceed secondary treatment standards.
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2013-05-23 12:23:18
using artificial wetland treatment of sewage, running costs are usually more conventional 2 sewage farm low level, but its the water quality can be achieved or exceeded at level 2 sewage treatment level.
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2013-05-23 12:24:58
Utilizes the artificial wetland processing sewage, the operating cost usually compares the convention two level of sewage treatment field to be low, but its water leakage water quality may achieve or surpass two level of sewage treatment level.
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2013-05-23 12:26:38
Application of wastewater treatment by constructed wetland and the running cost is usually lower than conventional secondary sewage treatment plant, but its water quality can meet or exceed the secondary sewage treatments.
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2013-05-23 12:28:18
Application of wastewater treatment by constructed wetland and the running cost is usually lower than conventional secondary sewage treatment plant, but its water quality can meet or exceed the secondary sewage treatments.
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