[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

清洁马桶、瓷砖水垢和尿碱结垢优先选浮石研磨棒(硬度约莫氏6),其硬度低于陶瓷釉面(莫氏7-8),配合水湿润使用可磨除水垢而不伤釉

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Long-term
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