Unverified80% confidenceDecision RuleTime unknown
轮子直径影响越障能力：室内选5英寸（约13cm）小轮灵活，户外经过门槛、路面缝隙、草地应选7-8英寸大轮或充气/实心宽胎，小轮易被门槛卡住
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80%
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Long-term
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Unverified车轮直径与使用场景强相关：室内平地用直径10-15cm实心PU轮即可；户外草地/碎石路需≥20cm充气轮，小轮在户外易卡陷、颠簸伤脊椎92% similarUnverified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91% similarUnverified轮子大小与场景权衡：小轮（5英寸）室内转向灵活但户外遇门槛、地砖缝易卡；大轮（8英寸以上）户外通过性好但室内笨重、门内难转向91% similarUnverified轮式带座助行车轮径越大越好过坎、室外越平稳（8英寸以上适合室外草地/砖缝），但轮径大则整体更重、室内转弯半径大不灵活；纯室内使用选6英寸小轮或万向轮更好操控90% similarUnverified四轮rollator轮径直接影响越障能力：室内5-6英寸轮足够，若需过门槛、走户外不平路面应选8英寸及以上前轮，否则小轮易被卡住导致前倾89% similar
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