Unverified80% confidenceTradeoffTime unknown
全自动开合伞(一键开一键收)内部弹簧结构复杂,重量普遍比手动伞重50-100g,且弹簧和卡扣是主要故障点,故障率高于手动伞
1
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80%
Confidence
Long-term
Relevance
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