To evaluate the effectiveness of new photo-catalytic materials for air pollutant reduction in the under-crossing tunnels.
目的评估新型道路及墙体光催化材料对下立交地道空气质量的改善效果。
To evaluate the effectiveness of new photo-catalytic materials for air pollutant reduction in the under-crossing tunnels.
目的评估新型道路及墙体光催化材料对下立交地道空气质量的改善效果。
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