Unverified82% confidenceDecision RuleTime unknown
哺乳腰靠厚度选择需匹配沙发/床头进深：沙发抱喂建议厚度8-12cm填补腰椎悬空，床头靠喂建议12-15cm补偿床头板与后背间隙，厚度不足会导致腰椎前凸得不到支撑
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82%
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