国产成人剧情AV果冻传媒

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          Refractory

           

          Chemical inertness at high temperatures, high abrasion resistance, low coefficient of thermal expansion, high thermal shock resistance make silicon carbide and aluminium oxide attractive materials for several refractroy purposes such as:

           

           

          kiln furnature
          aluminium reduction cells
          incinerators
          bricks for blast furnaces and zinc furnaces
          crucibles
          monolithics
          taphole and runners in melting furnaces

           

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          国产成人剧情AV果冻传媒