好像沒有crawl space. 加拿大標準是200bp/m3, 當然越低越好。為什麽4就超標，是不同的計量嗎？

來源: mfsiv 於 2024-10-18 07:25:40 [舊帖] [給我悄悄話] 本文已被閱讀：次

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