节能窗户  energy efficient window

玻璃门窗节能  Energy saving of glass win- dows and doors

建筑外窗节能  Building energy Efficiency of windows

节能窗  Energy efficient windows; energy-saving window

节能窗帘  Engy-saving curtain

塑料窗节能  save energy of plastic windows

新型节能窗  new type of energy saving window

节节能减排  Energy-saving Emission Reduction

节能节材  Energy-saving and Materials-saving

节能节地  Energy-saving and land-saving

节能节电  economizing on energy and electricity

节能节水  saving water and energy; Energy-saving and water-saving; Energy and Water Saving

节能节资  Saving Energy and Cost

太阳能节能灯  Solar energy saving lamps

新型多功能节能炉  The design of a new type multi-functions stove

智能节能系统  intelligent and energy saving system

智能节能照明控制器  intellective lighting control for power conservation

窗的节能  window energy-saving

窗格花窗户  la fenêtre à remplages