[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

带缝线装订(线装/锁线)的日记本可180度平摊书写,比胶装更耐用且写到中缝不吃力;螺旋圈装可完全对折适合小桌面,但金属圈易勾衣物且不适合随身塞包

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Long-term
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https://kongchang.com/claim/180572
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curl https://kongchang.com/api/v1/knowledge/claims/180572
MCP
get_claim(id=180572)