[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

颈椎枕(人体工学波浪枕)的正确用法是低区托头、高区顶颈,高区高度应匹配睡姿;仅对固定睡姿者有效,混合睡姿者翻身后支撑失效反而不如均质枕

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