[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

可开启天窗的防水等级看抗风雨等级,选整体自带泛水板(flashing)系统的产品,抗雨密性建议达4级以上(能抵御约600Pa风压下不渗漏),自行封胶的开孔式安装漏水率显著更高

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