degree-days

 
[d?ɡ'ri?d'e?z]     [d?ɡ'ri?d'e?z]    
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degree-days的英文翻譯是什么意思,詞典釋義與在線翻譯:

英英釋義

名詞 degree day:
  1. the day on which university degrees are conferred

  2. a unit used in estimating fuel requirements for heating a building

今日熱詞
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