Unverified85% confidenceTradeoffTime unknown
脖套内径与安全的权衡：过紧压迫颈部血管与气道、影响头部转动，过松则漏风且低头时可能滑至口鼻造成遮挡，应保证成人两指可伸入且宝宝能自由转头
1
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85%
Confidence
Long-term
Relevance
-
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