《机械制图》作为机电专业的专业基础课,学生对本课程的掌握情况和熟练程度,不仅关系到后续专业课程的学习,而且反映了学生的基础课理论水平及职业技术素质。面对中职学生“双能”偏差的客观性,如何把握“以实用为主、够用为度”和“培养学生实际能力”为原则的专业课教学,是从事《机械制图》教学的教师应不断思考的问题。 Mechanical drawing is a basic course of mechanical and electrical major. The students ’mastery of the course and its proficiency not only relate to the study of follow-up professional courses, but also reflect the theoretical level of students’ basic courses and professional and technical qualities. Faced with the objectivity of secondary vocational school students “double energy ” deviation, how to grasp the teaching of specialized courses based on the principle of “practical use, enough use for degree ” and “cultivating students ’actual ability Cartography ”teachers should constantly thinking about the issue.