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paperback. Condizione: New. Paperback. Pages Number: 229 Language: Chinese. Publisher: Machinery Industry Press book on the commonly used energy-saving systems in the industrial field sensors. actuators. motors. inverter explain in simple terms. and social consumption the water pump and fan to transport electric power grid. high-speed trains. long distance transportation. boilers. air conditioners. transformers. reactive power compensation and other equipment. by far the most cutting-edge energy saving optimization to a.…