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aaronkingtímalína :: Sjáðu hvað er að gerast!

aaronking
Aldur: 35
Land: China

	aaronking skrifaði nýja bloggfærslu: What problems should be paid attention to in double-sided circuit... Compared with the single-sided circuit board, the wiring density of the double-sided circuit board becomes larger and the aperture is smaller. The metallized holes on which the layer-to-layer interconnection relies are... 3 árum síðan
	aaronking skrifaði nýja bloggfærslu: Why add test points to the circuit board design The circuit board design and test points are not used in the production of PCB boards, but after the PCBA is completed, ICT tests are performed to test whether the circuit board soldering has problems and whether the... 4 árum síðan