Unverified86% confidenceDecision RuleTime unknown
室外使用应选前轮直径≥20cm的充气或大直径实心轮，小轮（＜15cm）在人行道砖缝、盲道凸点和门槛处极易卡顿导致前倾跌倒
1
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86%
Confidence
Long-term
Relevance
-
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Unverified轮径决定越障能力：轮径＜8cm只适合光滑地面，户外碎石路/门槛需≥12.5cm充气轮或实心大轮，小轮遇缝隙会卡死翻车84% similarUnverified室内使用优先小轮径（约12-15cm）便于狭窄空间转向，户外及有门槛/不平路面应选大轮径（20cm以上）+充气或实心大轮，小轮遇门槛易卡顿倾覆83% similarUnverified室外使用助行推车轮径应≥20cm（8英寸），小于15cm的轮子在门槛、马路砖缝和斜坡上容易卡顿并导致前倾83% similarUnverified前轮直径≥25cm（约10英寸）的充气/发泡大轮 + 独立弹簧或液压避震，才能有效过滤石板路、盲道砖缝的高频颠簸；小于18cm的硬质小轮在颠簸路面减震基本无效83% similarUnverified轮径决定减震下限：前轮直径≥20cm(8寸)才能有效过户外碎石路和台阶，＜15cm的小轮仅适合商场平地82% similar
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