[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

正确坐姿判断:孩子坐正后,肘部自然下垂时桌面高度应与肘部齐平或略低2cm,桌椅需成套调节而非只调桌子

1
Sources
88%
Confidence
Long-term
Relevance
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