ISBN: 9787122387301 - 【新华书店官方网店】焊接技能实训与考证 第二版（邱葭菲） 邱葭菲，王瑞权，王小兵 编著 化学工业出版社 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2021-07-01 Pages: 203 Language: Chinese Publisher: Chemical Industry Press Welding Skills Training and Verification (Second Edition) According to vocational and technical education welding and similar professional requirements for operating skills. Welder The requirements of National Vocational Skills Standard and the welding 1+X vocational skill level standard are compiled. including welding safety and occupational specifications. gas welding and gas cutting. electrode a. …