Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2023-12 Publisher: China Railway Publishing House: This book is one of the Vocational Skill Level Certification Learning and Training Series. which is suitable for the daily training and examination of five positions of railway signal workers (station and section equipment maintenance): junior worker. intermediate worker. senior worker. technician. and senior technician. The content includes questions and answers. practical work. and practical skills asse. N° de réf. du vendeur DS055216
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