[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

单人遮雨伞面直径需≥95cm(对应伞骨长约53cm)才能有效护住肩背,五折超便携伞撑开直径常不足90cm,雨天双肩仍会淋湿

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83%
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Long-term
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