短語(yǔ)詞組短語(yǔ)coefficient of utilization of energy 能量利用系數(shù)coefficient of blasting energy utilization 爆炸能量利用率coefficient of heat energy utilization 熱能利用系數(shù)utilization coefficient of energy 能量利用系數(shù)utilization coefficient of solar energy 光能利用率 返回 coefficient of utilization energy