ISBN 10 : 7111641728 ISBN 13 : 9787111641728
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2020-01-01 Pages: 155 Publisher: Machinery Industry Press This book introduces the examination items of the air conditioning system maintenance (A7) in the ASE exam. the knowledge points and skills that must be mastered. and 6 Set of simulated test questions. with answers and analysis at the back of the book. as well as precautions for answering questions. and refinement of knowledge points.?This book is very suitable for related colleges and universities.