Qu'est-ce qu'une carte de circuit imprimé PCB, une carte de circuit imprimé PCBA, en quoi les deux diffèrent-ils ?

PCB board refers to the light board that only needs to be manufactured and has no parts.

PCBA refers to PCBs that have electronic components, parts on the PCB board, and functional circuit boards after SMT. Our common circuit boards are PCBA. PCB boards can only be seen during the original processing of the manufacturer. The picture is the PCBA board