Unverified78% confidenceCautionTime unknown
马克杯杯口内径需≥7cm，否则手洗时手无法伸入擦洗，长期使用底部茶垢咖啡渍难清理，尤其内壁带弧度收窄的造型杯要避雷
1
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78%
Confidence
Long-term
Relevance
-
First Seen
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Unverified杯口内径＜4cm的窄口保温杯手伸不进去，无法用手擦洗内壁，长期使用易积茶垢咖啡渍；追求清洗便利选杯口内径≥5cm的广口设计91% similarUnverified杯口内径≥5cm的宽口杯身可整只手伸入擦洗内壁，窄口杯（＜4cm）长期使用底部易残留茶垢奶垢，必须用杯刷才能清洁到位91% similarUnverified杯口内径小于4cm的窄口保温杯，手伸不进去、普通杯刷难到底，长期易残留茶渍奶垢，选口径≥5cm的宽口款更易清洁88% similarUnverified杯口较窄且内部结构有凹槽，手伸不进去擦洗，长期使用茶渍咖啡渍较难彻底清洁87% similarUnverified杯口内径≥5cm（大口设计）才方便手伸进去或用普通瓶刷彻底清洗底部，小口窄颈杯长期只能倒水冲洗，容易在底部积累茶垢水垢87% similar
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