[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

浮石类天然磨块莫氏硬度约6-6.5,适合清理马桶、瓷砖尿垢水垢,但硬度高于陶瓷釉面(莫氏5-6),干磨或釉面有微裂时会划伤,必须全程浸水湿磨降低摩擦

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