good catch! reminded me that the plug pin on soldered to PCB oft

来源: chinomango 于 2015-05-20 11:23:10 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (113 bytes)

it is often coated thus solder cannot stick to it, unless you use acid solder paste, yet be careful of corrosion.

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