Unverified80% confidenceTradeoffTime unknown
手动天窗便宜可靠但高位（层高＞2.6m或斜坡深处）操作困难，需配摇杆或电动改造；电动方便但增加故障点和布线成本，够得着的低位天窗手动即可
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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