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关注：1
2013-05-23 12:21
求翻译：当职业性粉尘及化学物质(烟雾、过敏原、工业废气及室内空气污染等)的浓度过大或接触时间过久，均可导致与吸烟无关的COPD发生是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
当职业性粉尘及化学物质(烟雾、过敏原、工业废气及室内空气污染等)的浓度过大或接触时间过久，均可导致与吸烟无关的COPD发生
问题补充： |
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2013-05-23 12:21:38
When occupational dust and chemical substances (smoke, allergens, industrial emissions and indoor air pollution, etc.) concentration is too large or too long exposure time, may lead to the occurrence of smoking-related COPD
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2013-05-23 12:23:18
When occupational dusts and chemicals (smoke, allergens, industrial emissions and concentrations of indoor air pollution, etc. ) too large or too long, contacts and smoking may result in nothing occurred COPD
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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
When occupational dusts and chemical substances (smoke, allergens, indoor air pollution and industrial waste gas) concentration is too big or contact time for too long, may lead to COPD has nothing to do with smoking
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2013-05-23 12:28:18
正在翻译，请等待...
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