金　玉

About the Author

Jin Yu is a distinguished expert in mechanical engineering and vocational education, with over two decades of experience in the field of industrial machinery maintenance and diagnostics. Holding advanced degrees in electrical engineering from prestigious institutions in China, she has dedicated her career to bridging the gap between theoretical knowledge and practical skills for aspiring technicians. Her work emphasizes hands-on approaches to troubleshooting and repairing complex systems, making technical concepts accessible to students and professionals alike. As an author and educator, Jin Yu has contributed significantly to vocational training resources, authoring insightful texts that guide readers through real-world applications in manufacturing and automation. Her commitment to excellence in technical education continues to influence the next generation of skilled workers in China's burgeoning industrial sector.