people can breathe in alpha particles.

samuelcheng · 2011-03-18 20:00:15Z

people can breathe in alpha particles.简介

来源: samuelcheng 于 2011-03-18 20:00:15 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 说点实在话：对待核辐射，还是谨慎些为好。由 simo 于 2011-03-17 20:00:15

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