Unverified50% confidenceCautionTime unknown
超声波加湿器会将水中的钙镁离子和杂质随水雾喷出形成白色粉尘，硬水地区必须搭配纯净水或蒸馏水使用，否则家具和黑色家电表面会积白色矿物粉
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