For students of related majors, it is necessary to draw some professional cad drawings, such as architecture, structure, electricity, water supply and drainage, etc.

CAD refers to the document drawing made by CAD software, which can be used in building construction, interior design and so on. CAD, also known as computer-aided design, refers to the use of computers and their graphic devices to help designers carry out design work. In design, computers are usually used to calculate, analyze and compare different schemes to determine the best scheme.