[KongchangAI]
Unverified87% confidenceTradeoffTime unknown

U型颈枕主要防止头部左右侧倾,对防前倾效果有限;习惯性低头睡的用户仍会前倾,需要带下巴托设计才能改善

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87%
Confidence
Long-term
Relevance
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