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本文根据试验、研究、分析， 提出粉煤灰硅酸盐砼制品在生产使用过程中产生空鼓、裂缝的原因及应采取的有效预防措施。
Based on experiments, research and analysis, this paper puts forward the reasons for the hollowing and cracking of fly ash silicate bismuth products during production and the effective preventive measures that should be taken.