[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

客厅主灯亮度需按面积估算,每平方米约需100-150流明,20㎡客厅总光通量应达2000-3000lm,仅看瓦数会误判(LED不同芯片效率差异大,同瓦数流明可差2倍)

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