《机械制图》是实践性很强的学科,学习该课程必须通过多次看图和画图的练习及作业实践,才能理解、掌握该课程的内容。“练”在制图课中是非常重要的,笔者分别从课堂练习和课外练习两方面对制图课的练习谈几点自己的做法和体会。 Mechanical drawing is a highly practical subject. To learn this course, you must understand and master the contents of the course through practice and practice of drawing and drawing. “Training ” is very important in the drawing course, the author from the classroom exercises and extracurricular exercises on drawing exercises to talk about their own practice and experience.