joint compond 幹了以後變硬，不適合日曬雨熱脹冷縮的地方像門窗。水泥講究是強度，混了泡沫強度會降低。

來源: 徒勞於 2023-02-26 06:36:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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