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关注：1
2013-05-23 12:21
求翻译：3#断面河水因为经过处理COD浓度急剧下降，是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
3#断面河水因为经过处理COD浓度急剧下降，
问题补充： |
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2013-05-23 12:21:38
3 # section the river is a sharp decline after the processing of cod concentration
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2013-05-23 12:23:18
3 #intersection river water because, after dealing with COD concentrations declined sharply.
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
3# section the River because after a sharp decline in COD concentration,
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2013-05-23 12:28:18
Because the 3# cross section river water the process processes the COD density to drop suddenly,
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