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饭盒盖子被吸住了怎么办
更新时间: 2021-02-25 06:05:37  

1、可以用热水浸泡、重新加热、待凉、润滑、金属轻撬等方法揭开饭盒盖子。

2、热水浸泡:把塑料盒放到热水里浸一下,或用开水往盖子上淋一会,盖子就能打开。这是因为加热前没有把盖子打开,加热的过程中盒子里面的空气受热膨胀冲开盖子往外溢出,停止加热后,盖子里面就成了负压。

关键词: 饭盒 盖子 怎么办

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