[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

通风孔数量并非越多越好:公路头盔18-25个风孔平衡散热与安全,风孔过多会削弱EPS泡沫结构强度;冬季或雾霾地区反而应选风孔少的款式减少进风

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