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钙片免费网址钙片免费网址,动漫MM视频动漫MM视频 Tantalum Video - The Periodic Table of Videos - University of Nottingham

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发布日期:2021年04月19日
PTOV
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ELEMENT:
Tantalum
SYMBOL:
Ta
ATOMIC NUMBER:
73

 
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PTOV is created by video journalist Brady Haran working with chemists at The University of Nottingham