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    Ã(yu)|(zh)̿KxYx^ɶȺʶwĥԏ(qing)һ
    pӺ^(gu)V
   
    o(w)úVҪָ(bio)
   
    (xing)Ŀ λ Y(ji) (xing)Ŀ λ Y(ji)
    % <2 ̶̼ % 85
    g/cm3 1.45~1.55 ѱ g/cm3 0.93
    ĥp % 0.85 ϵ(sh)K80 mm 1.8
    % 1.5 ϶ % 47.65%-52.65%
    } % <3.5
  
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