什麽叫安全。0.31m就安全,0.29m就不安全？微波和wifi效果一樣嗎？60hz引起癌症的機理還沒搞清呢

來源: WayCool 於 2012-05-09 21:42:06 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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