[KongchangAI]
Unverified87% confidenceDecision RuleTime unknown

选购可调节背长系统前需测量自身背长(第七颈椎到髂骨连线的距离),背长匹配比容量更影响背负舒适度,误差超过5cm会导致重心偏移

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87%
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Long-term
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