an under-utilized raw material 把米糠称之为一种未充分利用的原料
White fused alumina for sandblasting abrasive is processed by high quality corundum from Rui Shi abrasive Plant as raw material and utilized by unique advanced technology.
白刚玉喷砂磨料以锐石公司优质白刚玉砂为原料，采用现代新型独特工艺技术精制而成。
The results indicated that the BF slag can be used as raw material to make basalt wool, and the sensible heat in the molten state slag is recycled and utilized.
结果表明，利用熔融状态的高炉渣配加适量玄武岩矿石制造玄武岩棉是可行的。
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