(This course mainly explains the basic knowledge of CAD and helps students get started quickly. Through learning, students with zero foundation can gradually become familiar with the basic knowledge of CAD and improve the basic operation level of CAD! While explaining the basic knowledge, the instructor will also combine the speed-up plug-in to help you quickly master CAD application skills and fast operation. Through the study of this course, you will be proficient in CAD related knowledge and basic operation, and complete the drawing efficiently.)