[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

RO纯水机去除水中钙镁离子即实现软化,出水硬度极低;超滤/纳滤机无软化功能,若追求软化又想保留部分矿物质,应选纳滤(NF)膜而非普通超滤

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Long-term
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