ISBN: 9787040314755 - metal processing and training: welder intermediate training [paperback] (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2011 Pages: 280 Language: Chinese in Publisher: Higher Education Press metal machining and Training: welders Intermediate Training national planning of secondary vocational education curriculum reform new supporting materials teaching books. is based mid-level workers in the national occupational skill standards - welders knowledge requirements and skills requirements. prepared in accordance with the principles of job training needs. including professional ethics. and bas.…