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关注：1
2013-05-23 12:21
求翻译：城镇某生活污水处理厂曝气池的活性污泥是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
城镇某生活污水处理厂曝气池的活性污泥
问题补充： |
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2013-05-23 12:21:38
Urban sewage treatment plant activated sludge aeration tank
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2013-05-23 12:23:18
Towns and cities a sewage treatment plant aeration tanks activated sludge
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2013-05-23 12:24:58
Cities some sanitary sewage treatment plant aeration tank active sludge
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2013-05-23 12:26:38
Towns in a domestic sewage treatment plant aeration tank of activated sludge
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2013-05-23 12:28:18
正在翻译，请等待...
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