[KongchangAI]
Unverified78% confidenceDecision RuleTime unknown

老人自用或需长时间操作时,手持重量应控制在500g以内、且带防滑握柄,超过800g的机型连续使用5分钟以上手腕易疲劳,导致排痰位置不准

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78%
Confidence
Long-term
Relevance
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