electricity saving and energy saving  节电节能

energy saving and energy consumption decreasing  节能降耗

energy saving and energy consumption reduction  节能降耗

thermal insulation and energy saving  保温节能

65 percent energy saving and heat preservation  65%节能与保温

Auto-control and energy saving in high buildings  楼宇自动化控制与节能

benefits of energy saving and emission reduction  节能减排效益空间

capacity increase and energy saving  高产节能

clean operations and energy saving  清洁节能生产

Coke-oven and energy-saving  焦炉与节能

compound heat preservation and energy saving wall  节能复合保温墙体

constant pressure and saving energy  恒压节能

Discussion of Power Quality and Energy-saving  浅谈电能质量与节能

eco-logical and energy saving  生态节能规划

Ecology and Energy-Saving  生态节能

Effective energy saving and environment protection  高效节能环保

Efficient and Energy-Saving  高效节能

eigenvalue of heat transfer and energy-saving for  围护结构传热及节能特征值

electricity energy-saving and emission-reducing  电力节能减排