Isbn: 9787502560461 - 电焊工（高级工）——职业技能鉴定培训读本 (1 resultados)

paperback. Condición: New. Paperback. Pub Date: 2005 Pages: 469 in Publisher: Chemical Industry Press national occupational standards and vocational skills identification specification is based; training project with the National highly skilled personnel; emphasis on practice. highlighting the skills. focus on capacity culture; reflect new knowledge. new technologies. new processes. new methods. This book Occupational Skill Testing Training Reading (senior workers) one. This book is based on national occupational stand.…