Isbn: 9787504537621 - 1 + x career technical and vocational qualification training materials: central air conditioning engineering (intermediate) (1 résultats)

paperback. Etat : New. Paperback Pages Number: 218 Language: Chinese. Book proceed from the strengthening training skills. to master a practical point of view. better reflects the occupation the latest practical knowledge and operating techniques for improving employees quality The core content and skills to master a mid-level central air conditioning workers direct help and guidance. Book in preparation to abandon the traditional textbook to focus on systematic. theoretical and integrity of the preparation method.…