coefficient of blasting energy utilization
coefficient of heat energy utilization
coefficient of utilization energy
Cold Energy Utilization
Cryogenic Energy Utilization
dynamic environmental energy field
efficiency for solar energy utilization
Energy and environmental protection
Energy conservation and environmental protection
Energy Saving and Environmental Protection
energy utilization coefficient
energy utilization efficiency
能量利用率
能量利用效率
能量使用效率
能源利用率
能源利用效率
能源效率
能效
energy utilization factor
energy utilization model
Energy utilization patterns
energy utilization rate
environmental protection and energy saving
Heat energy utilization
热能利用
热能利用率
热能利用技术
热能综合利用
热能资源化