Unverified90% confidenceDecision RuleTime unknown

助行推车必须配备双侧手刹+可锁定驻车刹车（推压式驻车），坐下休息前先按下双侧驻车刹，否则座椅承重时车体会滑动摔倒

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90%

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Long-term

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Unverified刹车必须是双侧+驻车锁定双重设计：捏握式刹车用于减速，下压式驻车锁用于坐下休息时固定，只有减速刹车而无驻车锁的助行器坐下时会溜车90% similar Unverified四轮助行车的刹车分两种：手捏式（下压减速+下压到底锁定驻车）优于自锁反向刹车；坐下休息前务必确认双侧驻车锁定，选购认准刹车线松紧可调、刹车片可更换的款式86% similar Unverified汽车座椅优先选带上下两点固定的绑带式，单点松紧带在急刹或频繁上下车时易滑移到腰下方失去支撑点85% similar

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