powder fines 粉末的极细部分
To solve above-mentioned problem, this paper mainly researches on the fillers such as lime stone fines, fly ash, Portland cement, slag-powder and hydrated lime.
针对以上问题，本文在借鉴国内外相关研究成果的基础上，对两种石灰岩矿粉、粉煤灰、水泥、矿渣粉及石灰等填料进行了系统的研究。
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