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关注：1
2013-05-23 12:21
求翻译：这说明有部分城市地表径流带来的Pb使得河水中Pb浓度增大。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
这说明有部分城市地表径流带来的Pb使得河水中Pb浓度增大。
问题补充： |
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2013-05-23 12:21:38
This shows that for part of the urban surface runoff brought pb pb concentration in the river increases.
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2013-05-23 12:23:18
This is part of the city surface run-off from the river Pb makes Pb increase in the concentration in the water.
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2013-05-23 12:24:58
This indicated has Pb which the part of city surface runoff brings to cause in the river water the Pb density to increase.
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2013-05-23 12:26:38
This may indicate a part of urban surface runoff brought Pb Pb concentrations in river water grows.
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2013-05-23 12:28:18
正在翻译，请等待...
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