Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Pub Date: 2013 Publisher: Machinery Industry Press. general higher education electrical engineering and automation 12th Five-Year Plan (applied) materials: elevator control technology a comprehensive introduction to the structure and working principle of the elevator structure and related components discusses AC double-speed elevator speed elevators. VVVF elevator and permanent magnet synchronous elevators. drag and control. AC voltage regulator. a detailed analysis of a typical circuit and c. N° de réf. du vendeur NG005752
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