[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

室内实测换气效果看'房间体积×换气次数':卧室建议1次/h,客厅2次/h。计算方式=面积×层高×换气次数,如30㎡客厅(体积75m³)需≥150m³/h实际风量

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