[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

尺寸建议控制在长12-16cm、宽2.5-5cm;超过16cm会突出书顶易折损,窄于2cm则流苏孔位强度不足。标准精装书厚度建议选夹式或磁吸式而非平片

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