comprehensive and continuing quality improvement
energy conservation and decreasing unit consumption
energy conservation and decrease of consumption
Energy Conservation and Consumption Reduction
energy conservation and consumption decrease
Energy and Resource Consumption
energy and material consumption
energy and consumption saving
emission and consumption
Electricity Consumption and Economic Cycles
efficiency and consumption
economize energy and reduce consumption
economic analysis of production and consumption
dual-purpose for fresh and drying fruit consumption
delay consumption and accelerate consumption
decrease sources and power consumption
cooling and heating energy consumption index
converter consumption of hot metal and scrap