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    ʯʯX}}uY(ji)(gu)γɵĵVa(chn)Ʒc(din)ߣشĥȏ(qing)
    W(xu)(wn)ԺһNĥˮV
    ʯʯܷ
    g/cm3 F% % g/cm3
    2.0-2.5 73 1.4 3.5-4.3
    0C ϶% Ӳ0 c(din)0C
    98 47 6.5-7.9 1313-1318
  
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