The quality is a burnt magnesia spinel brick made from fused magnesia, low iron sintered magnesia and fused hercynite.This synthetic hercynite is a patent by RHI Refractories.

 
  • 它由電熔鎂砂、低鐵燒結鎂砂和電熔鐵鋁尖晶石制成的燒結鎂鐵尖晶石磚,這種人工合成的鐵鋁尖晶石是RHI奧鎂公司的專(zhuān)利。
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目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan