How to learn electrical technology systematically?
First of all, you should know all kinds of graphic symbols, learn the meaning of various graphic symbols, their working state, and the real objects of the original gas components
Second, we should know the literal expression of each original gas component
Third, understand the working characteristics and working principle of the original gas parts
The fourth reading
Fifth, assemble according to the drawing
Sixth, according to the requirements of their own drawing, assembly
If you can basically achieve the above six points, you can be a qualified senior electrician (technician)
The key is to do more
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