Unverified85% confidenceDecision RuleTime unknown
清洁瓷砖缝隙、水龙头等硬质污渍需选转速≥2500rpm的电动清洁刷；软质表面（皮沙发、汽车内饰）超过2000rpm会磨损面料
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Unverified清洁瓷砖缝隙、灶台重油污等硬顽垢，电机转速需≥300rpm且带扭矩保护（遇阻不降速），低于200rpm的入门款仅适合日常灰尘和轻污渍74% similarUnverified顽固砖缝霉斑清洁标准路径：先喷洒瓷砖缝隙专用清洁剂/氧系漂白剂静置3-5分钟软化污渍→用缝隙型硬毛刷沿缝隙单向刷洗→清水冲净。干刷硬蹭效率极低且伤刷毛71% similarUnverified拖布转速≥180转/分钟才能有效去除干涸污渍，低于100转/分钟的机型仅相当于电动湿抹，去污力有限70% similarUnverified使用任何除垢清洁剂后需在30-60秒内冲净并擦干，酸性成分长时间残留在镀层缝隙会造成局部腐蚀斑点，尤其电镀件的接缝处70% similarUnverified厨房重油污清洁选转速≥350rpm且带扭矩自适应的机型，遇顽固污渍不掉速；纯装饰性擦拭200rpm即可69% similar
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