Unverified75% confidenceTradeoffTime unknown
灯罩内壁做扩散涂层或双层结构比单层薄壁扩散更均匀，可避免灯珠颗粒感（俗称'豆点'），但会牺牲部分透光率
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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