发布时间:2025-01-20 18:25:33
可以。在大体积混凝土中,2~3天内部温升可高达近100°C,而钙矾石分解温度是70°C,但是温度降到70°C以下时,钙矾石会再次生成,即延迟钙矾石。
荣事达ysh8073 18l容量分体式高硼硅玻璃养生壶详细介绍
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