[KongchangAI]
Unverified78% confidenceTradeoffTime unknown

石墨含量高的软芯(6B以上)反光强、易反光发亮,扫描或拍照复印时暗部会灰化,需要制版/印刷的稿件优先用HB-2B

1
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78%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/379602
API
curl https://kongchang.com/api/v1/knowledge/claims/379602
MCP
get_claim(id=379602)