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      ǰλãlԴhƼ޹˾ > ˮ̎V >

      iɰV

      ԴlԴh lڣ18-04-17 ߣ g[:

      iɰVDzÃ|iɰVCеκYx^ʺɫɫwоӲȸ͸g͸ߜpʧкԪʹÉLcõijFiǵˮ͹IˮFxӺixMгFi̎ĮaƷ

      iɰVϵļgָˣ

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      λ
      ָ
      Ŀ
      λ
      ָ
      MnO2
      20-40
      g/cm3
      3.2-3.6
      SiO2
      17-20
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      2.0
      F
      20
      }
      ≤3.5
      ≤2.5
      ĥp
      ≤1.0
      ܶ
      g/cm3
      1.85
      ≤1.0

       

      iɰV;

      ȻiɰFһN|߻FˇmڵˮFС20mg/LijFȻiɰкĸ߃ri܌ˮеĶrFrFͬrڱγд߻õ“ԞVĤ”Mһ˳FЧFˮֻؚȻiɰһ^VɳF^

      iɰVע헣

      ȻiɰVصķ_ϴrgһ5-15ȻiɰVϱ“ԞVĤ“Y^Lrgě_ϴƉ ԞVصķ_ϴԲƉĞVϱ“ՓĤ” ڕVˮ|ؐڵˮFVòמF|ˮϵyʽ]OЌӵĹʽˮϵy͸ ʽװʽСˮϵy


      һƪoúV

      һƪdFV

      亚洲综合小说另类图片五月天
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