Isbn: 9787111471950 - 磨工(初级 中级)(国家职业技能鉴定培训教程) 刘风军 9787111471950 (1 risultati)

paperback. Condizione: New. Pub Date: 2014-10-01 Pages: 398 Language: Chinese Publisher: Machinery Industry Press. National Occupational Skill Testing Training Tutorial: mill workers (primary. secondary). is based on national occupational skill standards mill workers (2009 Revision) Beginner. Intermediate and knowledge requirements specified skill requirements. in accordance with the principle of professional standards as the basis for demand-oriented enterprises. with professional competence as the core written. Nation. …