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Problems encountered in punching

2022-07-23 07:42:00 【zhuohui307317684】

Make a note of PCB Problems encountered in punching ：

1. Forget to lay copper .

2. The board and frame are not painted . In fact, there are paintings , however , Still in use 2D Just go through the line again .

3. Drilling documents were not issued . The manufacturer said that they couldn't proofing .

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