加一層太沉，有道理。我在油管上看到一個直接在舊但不漏的屋頂上加瓦片的，覺得不合適但想不出理由

來源: Sunblue 於 2020-01-16 10:08:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.