Yao fu lai (1 resultados)

paperback. Condición: 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.…