Unverified84% confidenceFactTime unknown
坐垫填充：高回弹海绵密度≥35kg/m³才不易塌陷，羽绒+海绵复合层最柔软但需常拍打回形；纯乳胶垫支撑好但偏硬且夏季闷热
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84%
Confidence
Long-term
Relevance
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Unverified坐垫填充选高密度海绵（密度≥35kg/m³）+ 表层薄羽绒/记忆棉复合，才能兼顾长期不塌陷与坐感柔软；纯记忆棉模块透气差、夏天闷热91% similarUnverified坐感填充：高回弹海绵(密度≥35kg/m³)支撑好但偏硬适合护腰，羽绒/棉麻混合软糯但易塌陷需常拍打，乳胶层叠加提供软中带撑但增加重量影响搬运89% similarUnverified坐垫约5cm高密度海绵，长时间大重量卧推时支撑感尚可，但相比商用级8-10cm厚垫舒适度和稳定感有差距83% similarUnverified坐垫越厚越舒适但下方翻盖收纳空间被压缩且取物需搬垫，纯装饰兼收纳选3cm薄垫，长时间落座阅读选5-8cm高回弹海绵81% similarUnverified软包床头厚度≥8cm且填充为高密度海绵才有真正靠坐支撑；厚度<5cm的软包多为装饰性，靠坐会硌到内部框架80% similar
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