[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

导光管顶部到室内的垂直管长每超过1米,导光效率衰减约5-10%,管长超过6米(即穿越2层以上楼板)时实际照度大幅下降,不建议用于3层以上传导

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82%
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Long-term
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