2244| 18
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沉金PCB板在过无铅波峰焊上锡后,焊点周围出现黑点(罕见难题) |
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发表于 2010-11-5 10:28:47
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发表于 2010-11-8 16:41:02
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发表于 2010-11-8 16:42:58
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发表于 2010-11-8 23:24:37
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