[KongchangAI]
Unverified87% confidenceDecision RuleTime unknown

橡胶脚垫直径≥45mm且带同心圆纹路的抓地力明显优于小平底垫;脚垫磨损露出内部塑料或纹路磨平后必须更换,这是拐杖打滑摔倒的首要原因

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87%
Confidence
Long-term
Relevance
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