[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

金属除锈打磨优先选锆刚玉或碳化硅砂纸,普通氧化铝砂纸在金属高硬度表面磨粒脱落快、寿命仅为专用款的1/3

1
Sources
82%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/332767
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curl https://kongchang.com/api/v1/knowledge/claims/332767
MCP
get_claim(id=332767)