[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

通风孔数量与散热成正比但削弱结构强度:公路头盔20+通风孔适合高温高强度,山地头盔15孔左右兼顾防护,速降/BMX头盔通风孔少但抗冲击强

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82%
Confidence
Long-term
Relevance
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