ISBN: 9787111448419 - 电工作业禁忌宝典 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date :2014-01-01 Pages: 353 Publisher: China Machine Press Electric Micro Collection Series: electrician job taboo Collection for some non-standard. unreasonable actions electrician in the actual work process prone to be dissected . proposed the basic requirements and considerations. and gives the correct steps and methods. The main contents include: common electrical tools and electrical instruments should be noted that in the course of the safety procedures and methods; preca.…