Unverified85% confidenceDecision RuleTime unknown
洗车行选购看流量而非只看水压：流量≥500L/h（约8-10L/min）才能高效冲走泥沙，单纯高压低流量冲不动大面积污渍。水压15-20MPa配合大流量是洗车行主力配置
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Unverified家用洗车压力≥6MPa（60bar）即可满足清洗泥沙需求，插电式家用机通常8-14MPa；追求快速去除顽固泥垢需≥10MPa，但压力过高易损伤车漆清漆层需保持喷嘴距漆面30cm以上82% similarUnverified克重300-400gsm适合擦车身抛光，600gsm以上专用于吸水擦干车身，太薄的300gsm以下擦水易留水痕80% similarUnverified洗车去泥垢建议压力≥7MPa（约100bar）；清洗地面顽固污渍选10-14MPa；家用日常清洁6-8MPa足够，压力过高易损伤车漆和瓷砖缝隙79% similarUnverified清洗腔容量小（60-80ml）便携但需频繁补液，容量大（150ml+）适合一次清洗到位；一次性挂车链清洗建议选大容量并配套除油剂而非清水78% similarUnverified额定流量应≥4吨/小时（约67L/min），低于此值多路同时用水（如洗澡+洗衣机）会明显掉压，建议按家庭卫生间数量选：2卫及以上选5吨/时以上78% similar
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