[KongchangAI]
Unverified78% confidenceTradeoffTime unknown

牵引把手长度过短(<40cm)会迫使家长长期弯腰,导致成人腰肌劳损;带手环或可提拉背环的长牵引设计更省力

1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen

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