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如何用注水法检验装置气密性
更新时间: 2020-09-16 00:00:00  

检验装置气密性方法有三种,其中注水法又叫液差法,步骤如下:

1、关闭导气管上的活塞;

2、往体系即球形漏斗中注入水;

3、使漏斗中的水面高于容器中的水面;

4、静置片刻水面位置不变即形成稳定的液差,说明装置的气密性良好。

关键词: 何用 注水 检验 装置 气密性

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