Unverified90% confidenceDecision RuleTime unknown
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
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