《机械制图》是各级各类理工学院(校)机械类专业的一门专业基础课。经过多年的教学实践,对这门课程有如下几点体会:一、精心组织教学内容,力求讲授层次清楚、条理分明讲课是提出问题、分析问题和做出结论的过程。提出问题应尽量做到自然明确,联系实际和富有启发性;分析问题要做到层次清楚、条理分明;做出结论要简明准确、便于记忆。为 “Mechanical drawing” is a specialized basic course for all kinds of mechanical engineering at all levels of Polytechnic (school). After years of teaching practice, this course has the following experience: First, the careful organization of teaching content, and strive to teach a clear level, structured lecture is to ask questions, analyze problems and make conclusions of the process. Asking questions should be as clear as possible, practically practical and enlightening; analyzing problems should be well-defined and well-structured; conclusions should be concise and accurate and easy to remember. for