Isbn: 9787508414928 - 变电运行工——电力工人技术等级培训教材 (1 resultados)

paperback. Condición: New. Paperback Language: Chinese. Power workers technical level training materials: transformer operating (junior senior workers applicable) (3) is to help the power workers of the electricity workers technical grade standards. self-learning. training written. is one of the third edition of the power workers technical level training materials. Line segmentation of the electricity workers' technical level training materials: transformer operating (for use at the junior high school senior workers) (.…