[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

通风孔数量选公路头盔看18孔以上且带内部导流槽,均匀导汗;但通风孔越多、越大则整体强度和碰撞覆盖面积下降,两者需权衡

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80%
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Long-term
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