免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

單詞乎

degree-day

音標(biāo)[di'gri:'dei]
degree-day是什么意思、degree-day怎么讀

degree-day漢語翻譯

n. 度-日

degree-day英語解釋

名詞 degree-day:

  1. the day on which university degrees are conferred
    同義詞:commencement day, degree day
  2. a unit used in estimating fuel requirements for heating a building
    同義詞:degree day

degree-day詳細(xì)解釋

de.gree-day

n.(名詞)
A unit of measurement equal to a difference of one degree between the mean outdoor temperature on a certain day and a reference temperature, used in estimating the energy needs for heating or cooling a building.
度-日:一測量單位,等于某一天戶外溫度的平均值和一參照溫度之間一度的差別,用來估計(jì)加熱或冷卻一座建筑物所需要的能量

0
糾錯(cuò)