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downward light output ratio (of a luminaire)
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:2025-12-11 06:45:59