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Editore: China University of Mining Press, 2013
ISBN 10: 7564617098ISBN 13: 9787564617097
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Paperback. Pub Date :2013-01-01 Pages: 130 Language: Chinese Publisher: China University of Mining Press. the coal industry to identify specific types of vocational skills training materials: gas drainage work (beginner. intermediate. advanced) four chapters. The main outlines the basics of gas drainage engineering profession. professional knowledge and skill requirements and so on. The coal industry to identify specific types of vocational skills training materials: gas drainage work (Beginn.
ISBN 10: 750208844XISBN 13: 9787502088446
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Paperback. Pub Date: 2021-08-01 Pages: 301 Language: Chinese Publisher: Emergency Management Press September 21-25. 2020. Shaanxi Coal Cup 2020 National Coal Industry Vocational Skills Competition in Shennan Industry of Shaanxi Coal Group Development Co. Ltd. was successfully held.?Under the guidance of China Coal Industry Association. the National Coal Industry Vocational Skills Competition Organizing Committee. Shaanxi Coal Industry Chemical Group Co. Ltd. and Shaanxi Coal Group Shennan .