[KongchangAI]
Unverified75% confidenceFactTime unknown

碳化硅(黑色)研磨块硬度高于氧化铝(棕色),去顽固水泥、灰浆残留更有效,但对釉面和金属更具攻击性,谨慎用于装饰面

1
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75%
Confidence
Long-term
Relevance
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