你也可以做個實驗，合格了就行。先用朝外的那個防水層接水，看是不是會漏。然後剪開，用火燒中間的熔噴層，點不著就合格。

來源: janejane 於 2020-05-14 13:18:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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