教室的两层使用了木框架结构，跨在公共应急避难所的上方，在不改变后者结构的条件下满足了抗震要求。
The two storeys of classrooms are built using a wooden frame to allow earthquake-resistant construction over the public emergency shelter without altering the structure of the latter.
教室的两层使用了木框架结构，跨在公共应急避难所的上方，在不改变后者结构的条件下满足了抗震要求。
The two storeys of classrooms are built using a wooden frame to allow earthquake-resistant construction over the public emergency shelter without altering the structure of the latter.
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