这个时候，人们才发现外墙保温好的、节约能源的建筑是多么可爱。

This time, it was found that the external wall insulation, good energy saving building is so cute.

youdao

这个时候，人们才发现外墙保温好的、节约能源的建筑是多么可爱。

This time, it was found that the external wall insulation, good energy saving building is so cute.

youdao