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ʱ:2016-11-9

  ʯУ̼ԭӰɼʽӣ޵άǼܣǵ͵ԭӾ塣ÿ̼ԭӶSP3ӻ4̼ԭγɹۼ塣ʯеC-Cǿеļ۵Ӷ˹ۼγɣûɵӣʯӲȴ۵㼫ߣҲ硣ڹҵϣʯҪ̽õ̽ͷĥߣ״ĻεȸߵװƷ۸ʮְ

  ʯĦӲΪ10ȻӲߣʯͼӹʹʯСʯܶΪ3.52g/cm3Ϊ2.417ɫɢΪ0.044

 
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