也沒有那麽嚇人,放射性源被廣泛使用在各行各業,除了醫學,我記得測量煤堆高度,測量大罐子裏的油的高度的儀器都需要放射性元
所有跟帖:
• 封裝的,有保護措施,計量小。 -板爺- ♂ (0 bytes) () 02/01/2023 postreply 07:23:10
• 封裝的,有保護措施,計量小。 -板爺- ♂ (0 bytes) () 02/01/2023 postreply 07:23:10
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