Unverified85% confidenceDecision RuleTime unknown
空心结构泡沫轴（PVC硬管+EVA表层）承重更高、不易塌陷变形，适合体重80kg以上用户；实心结构（EPP/EPE整体成型）更轻但长期重压下易永久凹陷
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85%
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Long-term
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Unverified空心结构（PVC内芯+EVA外层）承重普遍达200kg以上且不易变形塌陷，适合体重较大或需长期高频使用者；实心EPP虽轻便但长期重压后易出现凹陷失去回弹92% similarUnverified空心结构（PVC硬管+外层泡沫）承重能力更强（可达200kg以上）且更轻便，适合体重大者和倒立支撑等负重动作；实心EPP款回弹更均匀、耐用性更好但偏重90% similarUnverified空心结构（PVC硬管+外层泡沫）承重可达200kg以上且不塌陷，硬度高、刺激强；实心EPP结构无内管，压力感更柔和均匀，适合肌肉敏感或初学者88% similarUnverified空心结构（PVC/ABS内芯+EVA外层）承重通常≥120kg且长期使用不塌陷变形，实心EVA轴便宜但重压半年后易凹陷失去支撑力86% similarUnverified空心结构（PVC内芯外包泡棉）比同尺寸实心EVA更硬、承重更强（可达200kg以上）且不易变形塌陷，适合体重较大或长期高频使用者；实心EVA轻便但长期重压后回弹性会下降86% similar
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