Unverified80% confidenceTradeoffTime unknown
机箱风道优先级高于风扇数量：正压差（进风多于出风）可减少积灰，前进后出+顶部出风是主流方案，玻璃侧透+密闭前面板会牺牲散热换取美观
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80%
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Long-term
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Unverified机箱风道搭配方案：前进后出+顶部出风形成正压差（进风数≥出风数）可减少内部积灰，进风口建议加防尘网；纯负压虽散热略好但缝隙易积灰81% similarUnverified风道遵循前进后出、下进上出原则：前面板2-3个进风扇 + 后部1个出风扇形成正压差可减少进灰，进风扇总风量应略大于出风扇（约1.2倍）保持机箱内正压78% similarUnverified机箱前面板为封闭玻璃/金属（仅底部进风）时，不建议依赖前置进风做主散热，此类机箱应加强顶部/后部排风或改为下进风上出风垂直风道76% similarUnverified机箱风扇布局遵循前进后出、下进上出的正压/微正压原则：进风数量略多于出风可形成正压减少灰尘从缝隙进入；负压布局（出风多）散热略好但积灰快76% similarUnverified笔记本降温效果的核心是让底部进风口与风扇形成正压导风，散热垫风扇应能对准进风口位置，可移动风扇或大面积覆盖式风口的型号适配性更强75% similar
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