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Editore: China Railway Publishing House, 2014
ISBN 10: 7113175759ISBN 13: 9787113175757
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Pub Date: 2014-01-01 Pages: 133 Language: Chinese Publisher: China Railway Publishing House electrician basic skills second five Higher Vocational Education majors planning electromechanical materials There are four modules. divided into 18 topics. In the safe use of electricity module introduces generation and distribution of knowledge. knowledge of electricity energy security measures prevent electric shock. fire and electrical shock first aid knowledge; basic operation in electrical module.
Editore: China Water Conservancy and Hydropower Press, 2020
ISBN 10: 751708772XISBN 13: 9787517087724
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Paperback. Pub Date: 339 Language: Chinese Publisher: China Water Conservancy Hydropower Press. Henan Silk mainly according to the practice of work in the author's years. it is a common practice for the current needs of Henan Province. Easy to understand. Henan silkworm has seven chapters. mainly including feed and silk mill .