從倒數第二張照片來看，gutter 沒有起到分水和接水的作用。可能堵了，水溢出來。也可能有洞。

來源: QinHwang 於 2024-01-25 18:46:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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