Isbn: 9787111368465 - 金属加工与实训——焊工实训 (1 risultati)

paperback. Condizione: New. Paperback Language: Chinese metal processing and training: welder training is a basic skills curriculum of secondary vocational schools. mechanical and engineering technology related professional. To adapt to the development of secondary vocational education and to strengthen the cultivation of students' ability. the book will be welding skills training project selection and integration. and to the early and intermediate welders national occupational standards as a basis for the preparation o.…