錯了，隻有硬度10，才叫鑽石，幾幾鑽是鑽石數量。寶石最簡單的真偽就是測硬度

來源: jiangwen999 於 2014-08-25 16:52:24 [舊帖] [給我悄悄話] 本文已被閱讀：次

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