Verlag: Chemical Industry Press Pub. Date :2006-07-01, 1991
ISBN 10: 7502588078 ISBN 13: 9787502588076
Sprache: Chinesisch
Anbieter: liu xing, Nanjing, JS, China
Soft cover. Zustand: New. Language:Chinese.Author:WEI KONG PING ZHU RONG.Binding:Soft cover.Publisher:Chemical Industry Press Pub. Date :2006-07-01.
paperback. Zustand: New. The pub the Date :2006-07-01 Pages: 195 Publisher: Chemical Industry Press book is a systematic. informative. practical features. the elevator mechanical structure. electrical systems. installation and commissioning. maintenance. remote monitoring services. and escalator carried elaborated. Content on the structural arrangements. machinery systems introduced newer devices and principles; The drag system introduced four drag; electrical control principle. starting from the traditional relay co.