ISBN 10: 7111535383 ISBN 13: 9787111535386
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback Pub Date:2016-07-01 Pages:168 Publisher:. prepared by mechanical industry press this book based on knowledge requirements of the national standard occupation skill maintenance electrician and skill requirements. and the national occupation qualification training materials electrician knowledge map and electrician basis supporting the use of. The whole book is divided into two parts. the questions and answers. the selected topics are typical. representative.