[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

通风孔数量并非越多越好:孔多散热好但结构强度和防护面积下降,18-25孔是公路头盔散热与安全的平衡点;冬季骑行或空气动力盔反而应减少通风孔

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