浅层砂土、粉土
Shallow sandy soil and silty soil
电冶矾土刚玉
Electro-metallurgical corundum based on bauxite
Bauxite based electro melted corundum
矾土，氧化铝
2-ethyl-3-methyl-1-butene
矾土基电熔锆刚玉
Bauxite based electro-fused zirconia corundum
矾土基电熔镁铝尖晶石
Bauxite-based fused spinel
矾土基锆刚玉
Bauxite-based fused corundum-zirconia
矾土基耐火材料
Bauxite-based refractories