downward light outpu
查询英语单词中文释义、音标、发音和例句。
downward light output ratio (of a luminaire)
英
[downward light output ratio (of a luminaire)]
美
[downward light output ratio (of a luminaire)]
中文释义
下半球照明具效率
单词分析
单词结构：
downward light output ratio (of a luminaire)
字母数：44
记忆提示
🎯 重点记忆：
- 单词拼写：downward light output ratio (of a luminaire)
- 核心含义：下半球照明具效率
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更新时间：2026-10-01 17:06:16