Mechanical and electrical major. Mechanical equipment maintenance is to cultivate professional knowledge and operational skills in the production, installation, debugging, maintenance and management of mechanical and electrical equipment, and to engage in the maintenance and management of mechanical and electrical equipment. Mechanical equipment maintenance and management majors mainly study mechanical drawing, engineering mechanics, fluid mechanics, mechanical design foundation, electrical and electronic technology, mechanical manufacturing technology foundation, hydraulic and pneumatic transmission and control, electro-hydraulic proportion and hydraulic servo system, hydraulic and pneumatic equipment fault diagnosis, modern equipment control system, machining practice, electrical practice, hydraulic and pneumatic course design, graduation practice (design) and other courses.