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rrmz0614:1.烘烤pcb板,如果只是一种元件有锡珠可尝试更换此元件2.更改pcb焊盘,可能是焊盘封装不合理3.钢网做切角4.更换薄钢网5.更换小颗粒的锡膏 (2021-07-26 11:06)
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