Unverified80% confidenceDecision RuleTime unknown
头板必须为固定式、脚板为滑动式的设计，测量时头顶紧贴固定头板、脚板推至足底垂直，若两板均可滑动会导致基准不稳、误差扩大到3-5mm
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80%
Confidence
Long-term
Relevance
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