[color=rgba(0, 0, 0, 0.9)]1、砖坯在焙烧时的化学分析[color=rgba(0, 0, 0, 0.9)]1.1CaCO3在焙烧时的化学分析CaCO3 [color=rgba(0, 0, 0, 0.9)]原料含有一定量的CaCO3,在900℃左右高温下,发生分解反应生成活性很高 ...
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