送交者: jxh 于 2005-4-19, 01:59:04:
回答: 无量纲数和单位换算没有关系 由 葛观 于 2005-4-19, 01:05:22:
EER (Energy Efficiency Ratio) -
A ratio calculated by dividing the cooling capacity in Btu's per hour (Btuh) by the power input in watts at any given set of rating conditions, expressed in Btuh per watt (Btuh/watt).