- magnesia carbon refractory
- 镁: magnesium
- 碳质: carbonaceous
- 耐火材料: refractory; fireproofing; gr ...
- 碳质耐火材料: anthracite coal base refractory; carbon refractories; carbon refractory
- 白云石碳质耐火材料: duplex dolomite-carbone refactory
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