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关注：1
2013-05-23 12:21
求翻译：部分城市地表灰尘重金属含量及变化范围是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
部分城市地表灰尘重金属含量及变化范围
问题补充： |
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2013-05-23 12:21:38
Part of the urban surface dust and heavy metal concentrations varied
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2013-05-23 12:23:18
Part of the city surface dust heavy metals and the changing scope
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2013-05-23 12:24:58
Partial city surface dust heavy metal content and range of variation
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2013-05-23 12:26:38
Some range of urban surface dust heavy metal content and
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2013-05-23 12:28:18
part of the city surface dust heavy metals and the changing scope;
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