Unverified78% confidenceDecision RuleTime unknown

高度可调范围应覆盖25-45cm，低于25cm坐姿蜷缩，高于45cm易造成大腿后侧血液循环受阻，建议选3档以上分段调节而非无级下垂式

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后排腿托脚垫category

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