这个妨碍换屋顶是个很大的麻烦。光电板大概每平方尺5磅，家用可能需要400平方尺。

来源: borisg 于 2021-09-08 11:42:02 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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