[KongchangAI]
Unverified85% confidenceFactTime unknown

判断固定稳定性看是否有下巴托和胸骨支撑:合格硬托应限制头部前屈、后伸和旋转三个方向,仅靠围颈一圈的软托无法限制旋转

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85%
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Long-term
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https://kongchang.com/claim/200660
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curl https://kongchang.com/api/v1/knowledge/claims/200660
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get_claim(id=200660)