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为什么受热不均匀会导致破裂

更新时间: 2020-11-09 00:00:00     

物体受热会热胀冷缩,当受热不均时,有些地方膨胀的厉害,而有些地方膨胀的不厉害,就会形变不同步,产生断裂等。

使物体均匀受热的方法有:

1、水浴法;

2、用搅拌器搅拌;

3、被加热的物体如果是固体颗粒,尽量使之颗粒小一些。

关键词: 为什么 受热 均匀 导致 破裂

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