softening of water

例句：

1. 1. The process of softening water is essential for maintaining the quality of drinking water.
   软化水的过程对于保持饮用水的质量至关重要。
2. 2.In order to reduce the amount of hardness in the water, it is necessary to use a water softener.
   为了减少水中的硬度，需要使用水软化器。
3. 3.The softening of water can be achieved through various methods such as chemical treatment or physical filtration.
   通过化学处理或物理过滤等方法可以实现水的软化。