Unverified82% confidenceDecision RuleTime unknown
轮径≥12.5cm（约5寸）才能较顺畅上下台阶和门槛，8cm以下小轮遇到2cm以上门槛会卡顿甚至倾覆
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82%
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Long-term
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Unverified轮径越大越省力越易过障碍：室外或有门槛环境选轮径≥125mm，纯平地室内可选75-100mm；轮径过小遇到3cm以上门槛会卡住83% similarUnverified楼梯踏步防滑条宽度应≥5cm并覆盖踏面前缘外露区（距边缘约2-3cm处贴），单条长度需比踏步宽度小2cm留边，避免边缘翘起绊脚81% similarUnverified四轮助行器轮径越大（20cm/8寸以上）越适合户外碎石、门槛地面，但整体更重更难折叠收纳；室内为主选小轮（12-15cm）更灵活81% similarUnverified深蹲架挂钩孔间距（调节孔距）越密越好，理想为5cm以内，孔距超过8cm时卧推起始高度可能卡在不合适位置，导致出杆吃力或过度耸肩80% similarUnverified楼梯踏步防滑贴单条宽度选4-5cm、长度需覆盖踏面前缘并留2cm安全边距，宽度＜3cm防护有效面积不足，脚掌落点易踩空79% similar
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