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什么是软水和硬水
更新时间: 2021-03-22 11:31:42  

1、软水(soft water)是指不含或含较少可溶性钙、镁化合物的水。自然水中,雨水和雪水属软水。常见的有蒸馏水。

2、硬水(hard water)是指含有较多可溶性钙、镁化合物的水。软水硬水的鉴别以及分布。

关键词: 什么 软水 硬水

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