PCB plate hole happened looped water lines the cause and the treatment method
PCB circuit board plate hole circle of water lines occur: single board, full board, every hole, hole, water striate, like washing the residual liquid after natural drying condition of the impurity. P...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 4 |
| 2 | KhronoSound Audio | 1 |