2. At present, most of the large-scale equipment in hospitals are imported from abroad, so it is suggested that we must learn some professional terms;
3. To maintain the machine, we must first understand the principle.
4. Draw two pictures on the basis of understanding the principle: the first one is the data flow chart; The second is control flow.
5. All the above foundations are available, and then practice or learn from other people's maintenance cases in combination with reality.
If all the above points are achieved, congratulations, you are already a qualified engineer.