[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

固定头板必须是不可移动的直角挡板,脚板为滑动式并带锁定卡扣,这样测量时头顶抵住固定端、脚板推至足底锁定,可将婴儿扭动导致的误差控制在3mm以内

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88%
Confidence
Long-term
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