1, see technical requirements. Technical requirements are a detailed description of the drawings, and it is more accurate to read them before understanding them.
2. Look at the main view.
3. Look at sub-views and annotations, and look at local details and annotations.
4. Look at the graphics and find out the details one by one according to the bill of materials.
5. Make a detailed analysis according to the parts you need for your job.
6. finally sum up.
The above is a single picture. If it is a group of pictures, you need to follow the following steps:
1. Look at the drawing catalogue.
2. Look at the general plan. (Refer to single picture view)
3. According to the content of the general drawing, the next level drawing number is carried out according to the drawing number, and the last level is the part drawing.