职业学校机械专业学生毕业设计应在教师具体指导下了解和掌握其目的和内容、步骤和过程、原则和问题,积极、认真、独立地完成。 Under the specific guidance of teachers, the graduation project of mechanical engineering students in vocational schools should be completed and understood actively and carefully, with their purpose and content, steps and processes, principles and problems under their guidance.