cost saving
节省费用
节约成本
节省工程投资
降成本
成本节约
成本汇总表
成本撙节
cost saving and benefit enhancing
cost saving and great effects
Cost-saving and Profit-increasing
Function of water saving cost
high-efficiency and cost-saving
maintenance cost saving
energy saving and cost control
Energy Saving and Cost Cutting
energy saving and cost decreasing
energy saving and cost lowering
Energy Saving and Cost Reducing
energy saving and cost reduction
Energy-saving and cost-reducing