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What's the skill to distinguish the good from the bad of PCB?
2019-07-18 729
How to distinguish the good from the bad of PCB, manufacturers all know that making PCB board is to turn the planned schematic into a real PCB board. Please don't underestimate this process. There
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What's the black thing on the circuit board?
2019-07-18 1349
PCB Jiangmen single-sided and double-sided circuit board has a black thing on it. Do you know what it is? 1. What is COB Soft Packaging Careful netizens may find that there will be a black stuff o