Published by Machine Press Pub. Date :2006-07-01, 1991
ISBN 10: 711101913X ISBN 13: 9787111019138
Language: Chinese
Seller: liu xing, Nanjing, JS, China
£ 43.93
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Add to basketSoft cover. Condition: New. Language:Chinese.Author:CHEN JIA SHENG.Binding:Soft cover.Publisher:Machine Press Pub. Date :2006-07-01.
Seller: liu xing, Nanjing, JS, China
£ 47.76
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Add to basketpaperback. Condition: New. Pub Date :2006-07-01 Publisher: China Machine Press book in the second edition based on a comprehensive amendment. supplement computer basics and microcomputer control elevator. drag the elevator. permanent magnet synchronous motor (VVVF) automatic escalators and moving walkways structure principle and standards. regulations on elevator new products. industry requirements. make the content more systematically improve immediately after the current national standards and policies. principles an.
ISBN 10: 7111665392 ISBN 13: 9787111665397
Seller: liu xing, Nanjing, JS, China
£ 73.23
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Add to basketpaperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2020-12-01 Publisher: Mechanical Industry Press. this book is based on the 5th edition. based on the ethics of the vocal specialty teaching materials to facilitate the principle of self-study and teacher teaching. During this revision process. for the control space. the control principle and AC single-speed motor VVVF of the 5-story 5 station elevator is deleted.