[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

背长可调节系统适配多种身材,购买前应确认自身躯干长度(颈椎C7至髂骨上缘),调至腰带正好压住髂骨顶部为正确状态,否则承重会转移至肩部导致长途不适。

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88%
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Long-term
Relevance
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