Mu bimenyetso bya PCB, urwego rwo kurwanya-tin rurwanya rwashizwe mbere ku gice cyumuringa kugirango rugumane kumurongo winyuma wurubaho, ni ukuvuga igice gishushanyije cyumuzunguruko, hanyuma fayili isigaye yumuringa isizwe mumiti. kure, ibyo bita etching.Noneho, muri PCB yerekana, ni ibihe bibazo sho ...
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