Unverified75% confidenceFactTime unknown
保温性能与容量、材质厚度、瓶口大小相关:小容量宽口保温杯6小时后可能仅剩温热,宣称'12小时保温'的实际保温效果随开盖次数骤降,儿童频繁开盖场景保温打折
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75%
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Long-term
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