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为什么煮开的粥，会溢出来？
米粥煮开溢出来的原因:当粥煮到快烂的时候，米中的淀粉已溶到水中，由于粥中的水䒱气会不断向外冒，带出的气泡外面会裹着一层由淀粉构成的膜，随着水蒸汽越冒越多，气泡就越升越高，当它们聚到锅的边缘时，米粥会溢出来
襄阳志林自媒体干货知识分享56/293
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