Unverified85% confidenceDecision RuleTime unknown
商用保洁推车轮子直径需≥100mm（4寸）才能顺畅通过0.5-2cm的地面高低差和电梯缝隙，家用/办公场景可用75mm轮，但小于50mm的轮子极易卡瓷砖缝
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