英语词汇“lighting efficiency”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	lighting efficiency
释义	Lighting efficiency Lighting efficiency A factor crucial to a light source’s acceptability for energy conservation. Incandescent and tungsten halogen are not efficient. Most HID lamps are very efficient, but have less desirable attributes.
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Lighting efficiency