英语词汇“direct luminaire”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	direct luminaire
释义	Direct luminaire Direct luminaire Emits over 90 percent of light downward. Recessed lights, downlights, and trof-fers are direct luminaires. direct luminaire A luminaire which emits 90% to 100% of its total output below a horizontal plane through it.
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Direct luminaire