ISBN: 9787512321489 - 11-021 职业技能鉴定指导书 职业标准 试题库 电除尘设备检修(第二版) 9787512321489 (1 Ergebnisse)

paperback. Zustand: New. Paperback Pages Number: 302 Language: Chinese. 11-021 Occupational Skill Testing instructions electrostatic precipitator equipment maintenance: electrical engineering boiler operation and maintenance of professional (2nd edition) is the development of national occupational standards in accordance with the Ministry of Labour and Social Security prepared at the request. its content is mainly composed of four parts of the occupational profiles. vocational skills training. vocational skills. iden.…