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energy efficiency
经济	енергиен к.п.д.
能源行业	енергийна ефективност
energy efficiency Refers to actions to save fuels by better building design, the modification of production processes, better selection of road vehicles and transport policies, the adoption of district heating schemes in conjunction with electrical power generation, and the use of domestic insulation and double glazing in homes
环境	производителност на енергията

energy efficiency : 8 短语, 3 学科

能源行业	4
财政	2
运输	2