[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

两轮助行架(前轮+后脚垫)是固定框与四轮车的折中:前轮省去每步抬起动作,后橡胶脚垫承重时提供刹车般的阻力止滑,适合握力较弱但仍需较强支撑的老人

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85%
Confidence
Long-term
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