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关注:1
2013-05-23 12:21
求翻译:Industry is responsible for the vast majority of ambient air pollution in the Jing-Jin-Ji region, contributing both to primary PM2.5 and secondary PM2.5 sources.是什么意思? 待解决
悬赏分:1
- 离问题结束还有
Industry is responsible for the vast majority of ambient air pollution in the Jing-Jin-Ji region, contributing both to primary PM2.5 and secondary PM2.5 sources.
问题补充: |
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