中国最大成网人站亚洲

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      lڣ2011-12-06    „Դ   g[Δ101

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      AL2O3
      5%
      0.95T/M3
      SiO2
      94%
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      K801.8
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      1.8g/cm3
      0.5%
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      4-5
      0.36%
      1.6g/cm3
      ϶
      32-48%
      P
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      СҬuhƼ޹˾g֧֣AWj  ԥICP11029581̖ Wվ؈D xml؈D
      Sַʡ I_l^ Ԓ037164364656֙C13513711021 “ϵˣT 
      中国最大成网人站亚洲
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