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水壶用的时间长了,壶壁、壶底上会积留下一层水垢,如不及时清除,就会影响水的质量,乃至身体健康。这里有消除水垢的简易方
Kettle with a long time, kettle wall, pot bottom will leave a layer of scale, if not promptly removed, it will affect the quality of water, and even health. Here’s a simple recipe to eliminate scale