[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

滚珠自锁式卡扣(放上自动夹紧、抬起松开)比固定U型钩防滑更好,但内部弹簧/滚珠是易损件,长期使用可能失去回弹;纯挂钩式无活动件更耐用但需工具带挂孔

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82%
Confidence
Long-term
Relevance
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