[KongchangAI]
Unverified78% confidenceDecision RuleTime unknown

摇柄采用可折叠收纳设计+防滑握把的机型长时间摇动更省力,固定式直摇柄手摇20分钟后手腕疲劳明显;齿轮比过高会转不动、过低发电效率差

1
Sources
78%
Confidence
Long-term
Relevance
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