Unverified80% confidenceDecision RuleTime unknown
行军床（折叠床）铝合金支架横杆间距≤30cm时床面塌陷感明显减小，间距过大会导致仰卧时腰部悬空
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80%
Confidence
Long-term
Relevance
-
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Unverified折叠床普遍存在的矛盾：承重越高、结构越稳的钢架床，收纳后越重（多在10-15kg）；追求轻便（<7kg）的铝合金/行军床往往牺牲承重和床面平整度83% similarUnverified床垫软硬影响枕高选择：睡软床时肩部下沉，实际所需枕高应比睡硬床时降低约2-3cm，否则颈部会被顶起过高83% similarUnverified腰枕软硬度需与床垫软硬反向搭配：软床垫身体下陷多，腰枕应偏薄偏软（3-5cm）避免顶腰；硬床垫空隙大，腰枕应偏厚（6-10cm）填补支撑83% similarUnverified护栏高度需高出床垫表面≥25cm，若床垫较软（下沉幅度大）应选高出35cm以上，防止翻身跌落82% similarUnverified壁床床垫厚度需≤25cm（下翻式）或≤22cm（侧翻式），过厚会导致收起后无法闭合或翻折卡顿，且气弹簧承力超出设计范围82% similar
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