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Does anyone know where Nantong Haimen can learn the introduction of cad system?
Beginner CAD, suggestions are as follows:

1, understanding the logic and thinking of CAD drawing is the key to determine the drawing speed and quality.

2.CAD uses shortcut keys+typing keyboard blindly, which can provide drawing speed.

3. Learning the drawing command and modifying command of CAD is the main drawing command of CAD drawing.

4. Learning how to create, edit and modify blocks in batches can improve drawing efficiency.

5. Learning the flexible application of layers can effectively manage graphics, make the quality of drawings pleasing to the eye and print drawings with high quality.