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      乱人伦人妻中文字幕无码久久网,3751色视频,一本色道久久无一本色道久久无,中文字幕精品熟女人妻,日韩熟女AV,亚洲色诱惑,欧美?日韩?人妻?高清?中文,色欲人妻综合AAAAAAAA网

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      Refractory for cement kiln developed by this factory has such advantages as alkalpiroof ,antipelling,abrasion-resistance and long service life ,which can be used as burnt belt ,intermediate belt and the mouth of unloading for cement rotary kiln .

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      HL-PHL-PAHL-PHHBZ-70HL-AZSHL-NM
      Al2O3 %757775707255
      CaO %3.23.2    
      Fe2O3 %0.60.6    
      ͉Mpa606560806565
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         g/cm3
      2.652.702.752.602.602.50
      @%   2023 
      ܛضȡ130012501500150015001530
      ͻȡ17801780 1790  
      ؟׃
         1500%
        0.4   
      𷀶      
         (1100ˮ)
         202015
      醣1205  lrg2018-03-15 11:05:26
       
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