1 條= 1 mil = 1000 μ"= 0.001 "= 25.4 μm = 0.0254 mm 孔徑(φ): 20 條= 508 μm = 0.508(0.5)mm 銅箔厚度: 0.5 ounce = 17.5 μm = 0.689 (0.7)條= ...
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