鑽石有放射性嗎?
所有跟帖:
• 鑽石成分是碳,基本沒有放射性。 -喜得利- ♂ (80 bytes) () 01/13/2019 postreply 03:48:37
• 還是讀讀科學文章吧 -螺絲螺帽- ♀ (0 bytes) () 01/13/2019 postreply 07:10:15
• 鑽石成分是碳,基本沒有放射性。 -喜得利- ♂ (80 bytes) () 01/13/2019 postreply 03:48:37
• 還是讀讀科學文章吧 -螺絲螺帽- ♀ (0 bytes) () 01/13/2019 postreply 07:10:15
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