Publicado por China Electric Power Press, 2014
ISBN 10: 7512349440 ISBN 13: 9787512349445
Librería: liu xing, Nanjing JiangSu, JS, China
paperback. Condición: New. Paperback. Pub Date :2014-01-01 Pages: 209 Language: Chinese Publisher: China Electric Power Press Pumping speed large-capacity inverter and the motor running research and practice from an engineering point of view the use of a high head. high flow mention Utilize the inverter and the main motor of the pump stations. production status. the need for inverter operation. the drive element analysis of the development process. the inverter and the motor type of comparison. domestic variable speed .
Librería: liu xing, Nanjing JiangSu, JS, China
paperback. Condición: Good. Paperback. Pub Date :1984-10 Pages: 1024 Publisher: possession of Yuelu bookstore.
Publicado por Shantou University Press Pub. Date :2007-04-01, 2007
ISBN 10: 7811200716 ISBN 13: 9787811200713
Librería: liu xing, Nanjing JiangSu, JS, China
Soft cover. Condición: New. Language:Chinese.Author:(YING)KAN BEI ER LING YUN YI.Binding:Soft cover.Publisher:Shantou University Press Pub. Date :2007-04-01.
Librería: liu xing, Nanjing JiangSu, JS, China
paperback. Condición: Good. Paperback. Pub Date: 1936 Publisher: The Commercial Press books top left corner of cockroaches bite marks. spine broken. the lower-right corner of the cover of the book useful brush wrote Zheng supervisor chang words. inside pages clean and in good condition. overall is good.