[KongchangAI]
Unverified81% confidenceFactTime unknown

腰垫的支撑点应对准腰部凹陷处(约在皮带线上方2-4cm的第3-4腰椎位置),坐下后腰部与垫子应无空隙,安装位置错误比腰垫本身参数影响更大

1
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81%
Confidence
Long-term
Relevance
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First Seen

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