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ISBN 10: 7571409187ISBN 13: 9787571409180
Librería: liu xing, Nanjing JiangSu, JS, China
Libro
paperback. Condición: New. Paperback. Pub Date: 2020-08-01 Language: Chinese Publisher: Beijing Science and Technology Press. the principle of the machine. the escalator from the foot to the air. the scientific principle of all things to solve the scientific and technological principle including residential. residential automation management System. automatic door. automation. electricity. lock. alarm system. vacuum cleaner. motor. light. multimedia information box. electricity .
Publicado por Beijing Science and Technology Press Ltd., 2014
ISBN 10: 7530469126ISBN 13: 9787530469125
Librería: liu xing, Nanjing JiangSu, JS, China
Libro
paperback. Condición: New. Language:Chinese.Pub Date: 2014-04-01 Pages: 256 Publisher: Beijing Science and Technology Press Limited is how they work. is divided into four themes: housing. urban. recreation and transportation. Which contains 250 kinds of common operating principles of things in life. such as computers. microwave ovens. vending machines. tower cranes. escalators. fire engines. helicopters and rockets. as well as scientific knowledge and everyday life is closely related to all aspects. One can understand .