Unverified80% confidenceDecision RuleTime unknown
硬水(TDS>300、钙镁高)长期用于烧水会产生大量水垢,堵塞热水壶/咖啡机;这类地区若不装软化设备,饮用水可选纯净水或低矿化度水以保护家电
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80%
Confidence
Long-term
Relevance
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