Unverified78% confidenceDecision RuleTime unknown
检查瓶口内径是否≥4.5cm，宽口设计成人手能伸入擦洗内壁，窄口壶只能靠瓶刷难以彻底清洁底部积垢
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified杯口内径是清洁便利性的关键指标：内径≥5cm可让成人手掌伸入擦洗，窄口杯（<4cm）必须依赖专用瓶刷，长期使用杯底易积垢86% 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85% similarUnverified宽口径奶瓶（口径≥5cm）需选择刷头直径≥6.5cm的海绵刷或尼龙刷，刷头过小会导致瓶壁死角刷不到位83% similarUnverified广口瓶（瓶口直径≥3cm）清洁方便可伸入毛刷，但密封性和防漏性弱于细口瓶；细口喷雾/按压瓶取用精准防漏但内壁难清洗，需配专用长柄刷83% similarUnverified清洗吸管、螺纹瓶口等细小部件需另配细杆刷（直径3-6mm），普通瓶刷刷不到；选套装时确认是否含配套小刷83% similar
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