电能利用

utilization of energy energy utilization efficiency utilization of steam utilization of capacity percent utilization of capacity utilization of berries utilization of archives utilization of budget utilization of debris utilization of hour utilization of equipment plan of land utilization utilization results of energy coefficient of utilization of energy effective utilization rate of energy conversion of electrical energy distribution of electrical energy transmission of electrical energy transformation of electrical energy generation of electrical energy utilization of feed energy by an animal energy utilization