Unverified80% confidenceDecision RuleTime unknown
清洁便利性看杯口内径：口径≥5cm可手伸入或用普通杯刷清洗，窄口小于4cm需专用细刷，长期难洗易积垢发臭；带复杂吸管/内置滤网的结构死角多，不爱清洗者慎选
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Unverified清洗便捷度看杯口内径：内径≥5cm手能伸进去或普通海绵刷可及，内径<4.5cm的细口杯必须配长柄杯刷，且底部易积垢发臭95% similarUnverified清洗便利性看瓶口内径：口径≥3.5cm可手伸入或刷子清洗，窄口瓶（<2.5cm）粉末易结垢难清理，粉末调料选宽口瓶91% similarUnverified大口径设计（≥12cm）便于伸手清洗但密封防尘性较弱，细口设计密封好却难清洗；直饮长期储水优先大口径，短期便携取水可选细口85% similarUnverified刷柄总长≥35cm才能清洁1L以上大容量保温壶/焖烧罐底部，短柄刷（＜25cm）手会碰到杯口污染刷洗过的区域85% similarUnverified规格选择上，海绵厚度≥3cm的握感更省力、贴合水槽弧面；大面积水槽清洁选长边≥11cm，杯具内壁清洁选窄条或异形款83% similar
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