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　　　　PCBA is the entire process through the PCB empty board SMT parts, and then through the entire process of the DIP plug -in

　　　　1. Short -circuit　　Common short circuits include: when the space or distance between the bronze lines is very small, shor

　　　　Three anti -lacquer is a special formula coating that is used to protect the lineboard and its related equipment from the

　　　　With the continuous improvement of humans' requirements for the living environment, the environmental problems involv

　　　　1. The first choice to create a new project. Method: It is necessary to start the Protel99se software, and then create a

　　　　The PCB board process can be roughly divided into the following two steps. Each process needs to be processed and produce