Unverified80% confidenceDecision RuleTime unknown
椅子的深度可调（坐垫前后调节）比单纯高度调节更重要：坐深应保证大腿承托同时膝窝留2-3指空隙，固定坐深椅在孩子长高后会顶压膝窝影响血液循环
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80%
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Long-term
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