Unverified85% confidenceTradeoffTime unknown
四脚拐分大四脚和小四脚：大底座稳定性强但室内窄空间和上下楼不便；小四脚兼顾稳定与灵活，日常室内外通用性更好，多数老人推荐小四脚
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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