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