| 单词 | energy efficiency ratio |
| 释义 | energy efficiency ratio energy efficiency ratio n.（名词）A measure of the relative efficiency of a heating or cooling appliance, such as an air conditioner, that is equal to the unit's output in BTU's per hour divided by its consumption of energy, measured in watts.能量效率比：测量加热或冷却装置如空气调节器的相对电气效率的一种方法，相当于其每小时输出的英国热量单位除以其所消耗的能量，计量单位为瓦特 |
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