[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

浮力块分布应集中在胸腹前侧偏上,确保孩子落水时自然呈仰面姿态;若浮力块集中在背部会导致脸朝下扣水,存在窒息风险,选购必须确认前侧浮力占比≥60%

1
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90%
Confidence
Long-term
Relevance
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get_claim(id=143387)