1 and 3.

來源: borisg 於 2025-07-10 07:53:18 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (96 bytes)

total is about 15*40 + 90 = 790.

2 is more appropriate for bathroom fan vent.

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• 謝謝回答 -gerhouse- ♀ 給 gerhouse 發送悄悄話 (0 bytes) () 07/10/2025 postreply 08:40:42

請您先登陸，再發跟帖！