[color=rgba(0, 0, 0, 0.9)]干燥介质温度太高脱水能力很强,成型的湿坯遇到? 干介质后,表面马上脱去水分,产生收缩,砖坯内部产生应力,如果砖坯的内扩? 散和表面水分蒸发不能同步,就会使砖坯产生裂纹,应该对介质 ...
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