Unverified85% confidenceDecision RuleTime unknown
颈椎椅枕的支撑高度应可调范围≥8cm,且带上下+前后双向调节,才能匹配不同颈长和椅背倾角;仅单向调节的椅枕在椅背后仰超过115度时会失去颈部支撑
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85%
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Long-term
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