Fill soft water into cooling system without impurity.
加注的冷却水应是不含杂质的清洁软水。
Also try to use soft water when preparing facial masks.
另外，在准备面膜时，尽量使用软水。
Hard water and soft water are two different kinds of water.
硬水和软水是两种不同的水。
The water quality required in the closed circulation is generally of the soft water.
密闭系统所要求的水质一般是软化水。
Soft water is kinder to your hair.
软性水质不易损伤头发。
Soft water is kinder to your hair.
软性水质不易损伤头发。
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