英语词汇“high-efficiency rooftop units”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	high-efficiency rooftop units
释义	High-efficiency rooftop units High-efficiency rooftop units Air-conditioning units that have a higher AFUE (annual fuel utilization efficiency) rating.
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High-efficiency rooftop units