The results show that with the same built areas the ventilation ability of the atmospheric environment around the tall tower is better than that around the multi-storied buildings.
计算结果表明在总建筑面积相同情况下，高层建筑周围环境的通风自净能力要优于多层建筑。
2
Silo was rebuilt, ventilation was carried out in winter to lower grain temperature, and the silo was sealed and insulated heat before atmospheric temperature had gone up again.